Reeves v Carthy [1984] IR 348 — Medical Causation, Foreseeability, and the Out-of-Hours Doctor's Duty in Irish Law

Case

Reeves v Carthy & Anor

Citation

[1984] IR 348

Court

Supreme Court of Ireland

Date of judgment

28 April 1982

Bench

O'Higgins C.J. (delivering the leading judgment; Hederman J. concurring), Griffin J. (delivering a separate concurring judgment)

Court below

High Court (Gannon J. with a civil jury); case withdrawn from jury at conclusion of all the evidence

Disposal

Appeal allowed; new trial directed against both defendants

Doctrinal subject

Foreseeability and remoteness in medical negligence; out-of-hours general practitioner duty of care; threshold for withdrawing a case from a jury (procedural-historical only post-Courts Act 1988)

Primary source

Irish Reports physical citation [1984] IR 348; BAILII case search at bailii.org; reproduced extract in legalguide.ie commentary

Last verified against primary sources

12 May 2026 — citation, three-judge bench composition, judgment date and operative quotations cross-checked against primary source extracts and three or more independent secondary corroborations

Contents

Quick Summary: Reeves v Carthy in One Paragraph #

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The Facts of Reeves v Carthy #

The plaintiff suffered a severe and permanently disabling stroke on 9 June 1977. He had presented to two general practitioners earlier that day through a Dublin-area out-of-hours service known as Doctor on Call. The plaintiff had a long history of gastric symptoms and had been investigated several times, including a recent X-ray investigation at Dr Steevens' Hospital that had returned a negative result, with subsequent tests at St James's Hospital that returned an unenlightening result. Crohn's disease was suspected. None of the prior investigations had identified the small perforation that would prove decisive on the night in question.

Dr Carthy's 3 a.m. attendance

Shortly after 3 a.m., the first defendant, Dr Carthy, attended the plaintiff at home in response to a call placed by the plaintiff's wife. The clinical history given by Mrs Reeves and that recorded by Dr Carthy diverged on the central point. Mrs Reeves stated in evidence that she described severe vomiting through the previous evening and that the doctor performed no abdominal examination at all. Dr Carthy's contemporaneous note recorded "epigastric pain ++, no vomiting or diarrhoea". He gave evidence that an examination must have been carried out, though his independent recollection was challenged at trial.

Whether or not an examination occurred, Dr Carthy administered two injections of cyclomorph — giving the first, then, when the plaintiff reported the pain was still present, a second — and left.

Dr O'Kelly's later attendance

Later in the morning, the second defendant, Dr O'Kelly, attended in the same capacity through the Doctor on Call service. He found the plaintiff tachycardic and considerably distressed. He administered an injection of Largactil — the trade name for chlorpromazine, a first-generation antipsychotic used for sedation that can lower blood pressure further in a patient already in circulatory difficulty — and pressed for immediate hospital admission. The plaintiff, by then in acute distress, refused. Within hours, the plaintiff collapsed at home.

The stroke occurred at approximately 12 noon — some nine hours after Dr Carthy's first attendance. The plaintiff was taken to St James's Hospital where emergency surgery revealed a perforation of the bowel attributable to Crohn's disease — a chronic inflammatory bowel disease that can perforate the bowel wall if untreated. The medical reconstruction of events was straightforward. The untreated perforation had produced progressive circulatory collapse and prolonged hypotension (abnormally low blood pressure that starves organs of oxygenated blood); the brain had been deprived of oxygen during that period; the result was a permanent right-sided hemiplegia — paralysis of the right side of the body caused by a stroke in the left cerebral hemisphere.

Select an event in the timeline above to read its evidentiary record and legal significance in the case.

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The Legal Question Before the Supreme Court #

The trial proceeded in the High Court before Gannon J. and a jury — civil juries in personal injury actions were still in routine use in 1981–82 (they were abolished by the Courts Act 1988). At the conclusion of all the evidence in the case, on the application of the defendants, the trial judge withdrew the case from the jury and entered a directed verdict for both doctors. The reasoning was twofold: that even if there was evidence of negligence or breach of duty, the occurrence of a stroke was not reasonably foreseeable and accordingly liability could not be established.

The plaintiff appealed. The Supreme Court was therefore asked to determine two connected questions. First, whether the evidence as it stood was sufficient to leave to a jury on the negligence claim against each defendant. Second, whether the trial judge had correctly applied the foreseeability test in characterising the plaintiff's stroke as too remote a consequence of the alleged negligence.

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The Supreme Court's Decision #

The Supreme Court allowed the appeal, set aside the High Court's directed verdict, and ordered a new trial against both defendants. The judgment was delivered on 28 April 1982. O'Higgins C.J. delivered the leading judgment with Hederman J. concurring; Griffin J. delivered a separate concurring judgment.

Against the first defendant, the Court identified a direct factual conflict — Mrs Reeves's positive evidence that no abdominal examination had been carried out against Dr Carthy's evidence that one must have been. Expert medical witnesses had testified, without contradiction, that an abdominal examination was clinically required on the symptoms as presented. That dispute was a triable issue. The Court further accepted that there was a sustainable case that the administration of cyclomorph, in the absence of an adequate examination, had masked the symptoms of an acute abdomen — delaying the diagnosis on which any chance of effective treatment depended.

Against the second defendant, the focus shifted to the administration of Largactil to a patient already tachycardic. The medical evidence was sharply divided. Some witnesses regarded Largactil as relatively innocuous in moderate dose; others considered it positively contraindicated in a patient on the threshold of circulatory shock. That divergence in expert opinion — on a question central to causation of the deterioration — generated a substantial issue of fact that a jury was entitled to determine.

On the foreseeability point, the Court set out the proposition that has defined the case's modern significance. The result of the defendants' negligence, on the plaintiff's case, was an untreated abdominal perforation. The inherent danger in an untreated perforation included circulatory collapse and prolonged hypotension. A stroke caused by hypotension was therefore, in the Court's view, a foreseeable consequence of the negligence — not a freak occurrence beyond the proper bounds of liability.

"The stroke was directly caused by the fact that the plaintiff suffered an abdominal perforation which was not diagnosed or treated in time."

— O'Higgins C.J. in Reeves v Carthy [1984] IR 348

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Ratio Decidendi: The Foreseeability Holding That Most Summaries Miss #

The type of damage need only be foreseeable in general terms. Most summaries of Reeves v Carthy treat it as a jury-withdrawal authority. The substantive ratio is wider. The case is a domestic Irish application of the type-of-damage rule developed in Overseas Tankship (UK) Ltd v Morts Dock & Engineering Co Ltd (commonly Wagon Mound (No 1)) [1961] AC 388 and Hughes v Lord Advocate [1963] AC 837. Both are persuasive authorities only — Privy Council and House of Lords respectively — but the Supreme Court adopted the underlying principle and applied it to a medical setting.

The rule is that a defendant is liable for damage of a type that was reasonably foreseeable, even if the precise mechanism by which the damage came about, or the precise extent of the damage, was unusual. Applied to Reeves: the foreseeable type of damage from an untreated bowel perforation includes the consequences of severe circulatory collapse. Brain injury from hypotensive ischaemia is one such consequence. The fact that, in the plaintiff's case, that injury manifested as a major ischaemic stroke producing a right-sided hemiplegia did not place the damage outside the scope of foreseeability. The pathway from untreated perforation to shock to cerebral hypoperfusion to stroke was — on the evidence accepted by the Court — a recognised medical sequence rather than a freak occurrence.

"…because the result of the defendants' negligence was an untreated abdominal perforation, the inherent danger therein of a circulatory collapse and prolonged hypotension made the risk of a stroke foreseeable."

— O'Higgins C.J. in Reeves v Carthy [1984] IR 348

Select a stage in the diagram above to read the clinical and legal detail for that step in the chain of causation.

That passage is doing analytical work in two directions. First, it ties foreseeability to the inherent danger of the underlying condition — not to whether the specific complication had been seen before in this patient. Second, it identifies the operative pathway in medical rather than abstract legal terms (circulatory collapse, hypotension, stroke), which makes the case usable as a direct authority where modern claimants suffer secondary systemic injury following a missed primary diagnosis.

The doctrinal claim is therefore narrower and more useful than the broader Wagon Mound rule on its own. Reeves stands for the Irish-law proposition that, in a medical negligence case, the test of remoteness is applied to the general class of harm flowing from the inherent danger of the missed condition. Practitioners should distinguish ratio from obiter here. The ratio is the application of the foreseeability test to the medical chain of causation on the agreed facts. The procedural conclusion on jury withdrawal — important at the time — is obiter on the substantive doctrine, and is in any event of historical interest only since the abolition of civil juries in 1988.

Irish application versus the position in England and Wales

In Ireland, Reeves v Carthy applies the type-of-damage rule to medical-negligence chains of causation without the strict mechanism-specific limitation that English courts have sometimes imposed. This differs from the position in England and Wales, where the application of Wagon Mound (No 1) and Hughes v Lord Advocate in medical settings has generated a more conservative line of cases on the scope of foreseeable harm. The English jurisprudence on remoteness in clinical negligence has tended to focus on whether the particular injury — rather than the broader class of damage — was within the foreseeable range, producing more restrictive outcomes for claimants alleging unusual secondary complications. The Irish Supreme Court in Reeves took the broader view: that the foreseeable danger of an untreated abdominal perforation includes circulatory collapse and hypotension, and that brain injury arising on that pathway falls within liability even where the specific complication (here, a major ischaemic stroke) is statistically unusual. The point matters because UK academic commentary and UK firm content on remoteness is widely indexed for Irish queries — practitioners should not assume the English authorities resolve Irish issues identically.

Reeves v Carthy compared with Wagon Mound (No 1) and Hughes v Lord Advocate

The doctrinal lineage of the type-of-damage rule runs through three cases that are routinely cited together. The table below sets out where each authority sits and how it differs in jurisdiction, facts, and application.

Comparison of Reeves v Carthy with the principal persuasive authorities in the same doctrinal family

Feature	Wagon Mound (No 1) [1961] AC 388	Hughes v Lord Advocate [1963] AC 837	Reeves v Carthy [1984] IR 348
Court	Privy Council on appeal from NSW	House of Lords	Supreme Court of Ireland
Status in Ireland	Persuasive	Persuasive	Binding (Irish Supreme Court)
Context	Fire damage to a wharf in Sydney harbour	Burn injuries to a child from an unattended paraffin lamp	Stroke from missed bowel perforation
Rule established or applied	Established type-of-damage rule, replacing the older direct-consequences rule in In re Polemis	Applied type-of-damage rule: precise mechanism need not be foreseen if the kind of damage was	Applied type-of-damage rule to a clinical chain of causation; leading domestic Irish authority on remoteness in medical negligence
Year decided	1961	1963	1982 (reported 1984)

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What Duty Does an Out-of-Hours Doctor Owe Under Reeves? #

Out-of-hours general practitioners attending a sick patient at home owe the same duty of care as any other general practitioner — and on the evidence in Reeves, the seriousness of a night call was treated as raising rather than reducing that duty. The Court accepted unchallenged medical evidence to that effect. The clinical baseline against which both defendants were measured included a thorough abdominal examination of a patient presenting with severe abdominal pain. The disputed question was not what the standard of care required but whether each defendant had met it on the facts.

That framing is important because the recurring competitor argument — that out-of-hours doctors operate under a relaxed liability framework because of the conditions of call-out work — is not supported by Irish authority. Reeves v Carthy is the closest the Supreme Court has come to addressing the point directly, and the case runs the other way. In practice, modern out-of-hours GP cases turn on three evidentiary axes: what the clinician was told on arrival, what examination was performed, and whether the treatment given (especially analgesia) was clinically appropriate in light of the working differential diagnosis. Each of those axes is recognisable from the Reeves record.

A nuance the headnote omits: where Dr Carthy administered cyclomorph in the absence of an adequate examination, the Court treated the analgesia not merely as an act in isolation but as a step that masked the very symptoms that should have driven the differential diagnosis. The masking effect was on the chain of causation just as much as on the immediate decision. Practitioners pleading delayed-diagnosis claims involving any opiate or sedative administered before a working diagnosis is reached can take that point directly from Reeves.

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Why Did the Intervening-Act Defence Fail in Reeves? #

The defence argued that two events between Dr Carthy's first attendance and the stroke broke the chain of causation: Dr O'Kelly's later attendance, and the plaintiff's refusal of hospital admission. Both arguments were rejected.

On the first, the Court was not asked to absolve Dr Carthy on the ground that Dr O'Kelly's intervention erased his initial failures. Dr O'Kelly's attendance — and the Largactil injection in particular — was treated as a separate, potentially concurrent act of negligence rather than as an intervening act sufficient to relieve the first defendant of liability. On the second, the patient's refusal of admission was viewed as a foreseeable response from a person in acute pain, partially sedated by the recent opioid injection, and acting without the benefit of a working diagnosis. A refusal in those circumstances does not constitute the kind of free, informed and external act that the doctrine of novus actus interveniens — the rule that a new, free, informed and external intervening act breaks the chain of causation between a defendant's negligence and the claimant's injury — requires.

The point is doctrinally important because defendants in modern Irish medical negligence cases continue to plead variants of the intervening-act argument. Reeves remains an authoritative answer where the alleged intervention was itself a foreseeable consequence of the original breach — whether that intervention is the patient's behaviour, the conduct of a second clinician, or the further deterioration of a condition that the first negligent act left untreated.

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Reeves and Dunne Compared: Causation Versus Breach #

Reeves v Carthy and Dunne v National Maternity Hospital [1989] IR 91 occupy distinct positions in the architecture of an Irish medical negligence claim. Dunne, decided seven years after Reeves, sets out the six-point test for the standard of care: the test for whether the clinician's conduct fell below an acceptable practice. Reeves addresses the separate question of whether the breach, once established, caused the type of damage in question. Conflating the two is the most common analytical error in non-specialist commentary on Irish medical negligence.

Reeves and Dunne compared at a glance

Question the case answers	Authority
Was the clinician's conduct below the standard required by Irish law?	Dunne v National Maternity Hospital [1989] IR 91 (six-point test for the standard of care; reaffirmed in Morrissey v HSE [2020] IESC 6)
If there was a breach, was the type of damage suffered a foreseeable consequence of it?	Reeves v Carthy [1984] IR 348 (Irish-law application of the type-of-damage rule from Wagon Mound (No 1) in a medical setting)
Did the breach cause the injury on the balance of probabilities (but-for)?	Quinn v Mid-Western Health Board [2005] IESC 19 (modern but-for-test authority in Irish medical negligence)
Where the but-for test fails on the evidence, can a claim still succeed?	Material contribution and loss-of-chance doctrines, treated more fully on the causation hub

In practice, pleadings in delayed-diagnosis cases routinely invoke Dunne for breach and Reeves for the foreseeability of a secondary injury — together with Quinn on the but-for question and (where appropriate) loss-of-chance reasoning in the alternative. None of these authorities does the work of the others. Reference to Dunne alone, without separate engagement with foreseeability and but-for causation, is an incomplete pleading. For the broader doctrinal map, see the causation page and the breach-of-duty page.

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Reeves in Modern Irish Medical Negligence Practice #

The case remains good law and is regularly invoked in modern Irish delayed-diagnosis claims. Three points are worth setting out separately: where Reeves sits in the modern causation toolkit; how the April 2025 Clinical Negligence List amplifies its evidentiary lessons; and the patient-record discipline the case still demands.

Where Reeves sits in the modern toolkit

Modern Irish medical causation analysis is layered. The standard of care is governed by Dunne, recently reaffirmed by the Supreme Court in Morrissey v HSE [2020] IESC 6. The but-for test is the dominant causation rule and was applied to a paradigm-modern fact pattern in Quinn v Mid-Western Health Board [2005] IESC 19, where the Court accepted that there had been negligent birth care but dismissed the claim because the brain damage suffered would likely have occurred regardless. Causation in delayed-diagnosis oncology cases has been tested again recently in Crumlish v HSE [2024] IECA 244, where Noonan J., delivering the lead judgment for the Court of Appeal, upheld the dismissal of a breast-cancer delayed-diagnosis claim that had "failed at the first causation hurdle". Reeves is the foreseeability layer that operates above and around all three: it tells the court what kinds of damage fall within the proper bounds of liability once breach and but-for causation have been put in play. Full doctrinal treatment of the but-for test, material contribution, and loss of chance is preserved on the causation hub page.

The contrast between Reeves and Crumlish is instructive. Reeves succeeded in restoring a case for jury determination because the expert evidence on the chain from perforation to circulatory collapse to stroke established the inherent danger of the missed condition. Crumlish failed at the first causation hurdle because the plaintiff's expert evidence could not establish that the cancer was detectable five months earlier. Both turn on the strength of the causal chain. In Reeves, the chain was a recognised medical sequence supported by undisputed expert evidence on the danger of untreated perforation. In Crumlish, the chain depended on a doubling-time calculation that the trial court rejected as unreliable. The lesson for claimants today: the foreseeability layer that Reeves represents is only as strong as the underlying medical evidence on which the inherent danger of the missed condition rests.

How HC131 and HC132 amplify the evidentiary lessons

Practice Directions HC131 and HC132, both effective 28 April 2025, have changed the procedural environment in which causation evidence is now developed. HC131 governs applications for trial dates and requires a Certificate of Compliance confirming, among other matters, that expert reports have been exchanged or offered with a reasonable opportunity to respond. HC132 establishes a dedicated Clinical Negligence List within the Dublin Personal Injuries List of the High Court with a Judge in Charge experienced in clinical negligence. The combined effect for cases that rely on Reeves-style foreseeability is straightforward: the chain of causation between the missed primary diagnosis and the secondary systemic injury must now be fully developed in expert reports exchanged well before trial. Where Crumlish shows what happens when expert evidence does not satisfy the court on the detectability question, Reeves shows the analytical move available to claimants whose expert evidence can establish the inherent danger of the untreated condition.

The patient-record discipline the case still demands

In practice, delayed-diagnosis cases involving out-of-hours attendance turn on the contemporaneous record. Dr Carthy's note — "epigastric pain ++, no vomiting or diarrhoea" — became the evidentiary fulcrum in Reeves because it disagreed with Mrs Reeves's sworn account on the history given. Modern OOH services maintain electronic records that go further, but the same evidentiary tension applies. The competing accounts of what was told, asked, and observed at the call-out remain decisive in claims of this kind. The discipline Reeves models — for clinicians and for families — is the discipline of writing things down promptly and in detail.

Subsequent treatment of Reeves v Carthy

The following table records how Reeves v Carthy has been treated in subsequent Irish authorities and academic commentary. Inclusion is limited to authorities verified against primary sources; the list is not exhaustive, and the treatment summarised is the high-level effect, not a full case note.

Subsequent treatment of Reeves v Carthy [1984] IR 348 in Irish authority

Authority	Court / Year	Treatment	Effect on Reeves
Dunne v National Maternity Hospital [1989] IR 91	Supreme Court (1989)	Codified the Irish standard-of-care test for medical negligence	Supplements; does not disturb. Operates on breach, not foreseeability.
Quinn v Mid-Western Health Board [2005] IESC 19	Supreme Court (2005)	Applied the but-for causation test in a paradigm modern medical-negligence fact pattern	Operates alongside Reeves. Reeves governs foreseeability; Quinn governs but-for causation.
Morrissey v HSE [2020] IESC 6	Supreme Court (2020)	Reaffirmed the Dunne standard-of-care principles	No direct treatment of Reeves. The doctrinal frameworks operate in parallel.
Duffy v McGee [2022] IECA 254	Court of Appeal (2022)	Established that a want of independence in an expert witness may go to the admissibility of their evidence (exclusion), not merely to the weight to be given to it	Procedural overlay. Affects the evidentiary support that any Reeves foreseeability argument now requires.
Crumlish v HSE [2024] IECA 244	Court of Appeal (October 2024)	Dismissed a delayed-diagnosis breast-cancer claim that "failed at the first causation hurdle"	Contrasting outcome. Illustrates the modern evidentiary frontier in which Reeves-style foreseeability arguments are deployed.
McMahon and Binchy, Law of Torts (Bloomsbury Professional, 5th ed.)	Textbook (current edition)	Continues to cite Reeves in the remoteness / foreseeability chapter	Authoritative academic confirmation that the case is good law on the foreseeability point.

Where stroke and brain injury sit in the Personal Injuries Guidelines 2021

The Personal Injuries Guidelines, adopted by the Judicial Council in 2021, are the framework Irish courts use to assess general damages in personal injury actions. The Guidelines replaced the Book of Quantum and bind the Court when assessing general damages, subject to specific exceptions. For the type of injury at issue in Reeves v Carthy, the relevant Guidelines categories are those covering brain injury and stroke-related neurological damage, which the Guidelines treat under tiered headings ranging through serious, severe and catastrophic injury depending on permanence, cognitive impact, care needs and life expectancy. The Guidelines are descriptive — they set out where injuries of given severity sit within the general-damages framework — and the actual award in any specific case turns on the facts and the medical evidence. The Guidelines are accessible on the Judicial Council website. Practitioners pleading a Reeves-style foreseeability argument typically pair the foreseeability analysis with the Guidelines category that fits the claimant's actual neurological deficit. This is doctrinal commentary on the Guidelines framework, not a prediction of outcome in any particular case.

Limitation periods and the date-of-knowledge rule in Reeves-pattern cases

Limitation in Irish personal injury cases runs from the later of the date of the cause of action or the date of knowledge. Section 2 of the Statute of Limitations (Amendment) Act 1991 defines the date of knowledge as the date the claimant first had knowledge of the injury, that it was significant, that it was attributable to an act or omission alleged to constitute negligence, and of the identity of the defendant. In a Reeves-pattern case — where the primary negligence is a missed diagnosis and the secondary injury (stroke, brain damage, organ failure) follows hours or days later — the date-of-knowledge analysis can be substantial. The claimant may have known of the stroke promptly but not of the causal link to the earlier missed diagnosis until medical experts later reviewed the records. Where that is so, the limitation clock for the negligence claim does not begin to run until the link is reasonably knowable. The point is well established under Section 2 of the 1991 Act and the subsequent case law on its application. Limitation analysis is fact-sensitive; every claim depends on the specific timeline of knowledge in the case.

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How Is Reeves Pleaded and Defended in 2026? #

The case is pleaded as the foreseeability layer above breach and but-for causation. Modern pleadings draw on Reeves for the proposition that secondary systemic injury — stroke, sepsis-driven brain injury, major end-organ damage — is a foreseeable consequence of the inherent danger of an untreated primary condition. Practitioner observations from delayed-diagnosis casework, the modern defendant playbook, and the common pleading mistakes that recur in this area are set out below. These observations are anonymised aggregate insights and do not refer to any specific case or outcome.

Aggregate practitioner observations

In our experience handling delayed-diagnosis claims that involved an out-of-hours general practitioner attendance, three patterns recur. First, the evidentiary battle almost always centres on what was said and observed at the call-out, exactly the dispute that drove Reeves. Second, where contemporaneous clinical notes are sparse, the patient and family account becomes decisive — and that account is materially better when it was written down within 24 hours of the events, while memory is fresh. Third, the masking effect of analgesia administered before a working diagnosis is reached is the single most under-recognised liability point. Each pattern traces directly to the 1977 record. Every case depends on its specific facts and the available expert evidence.

How Reeves appears in a statement of claim today

A pleading invoking Reeves on the foreseeability point typically takes a form similar to the following specimen paragraph, adapted to the facts of the individual claim:

"Further or in the alternative, the Plaintiff will rely on Reeves v Carthy & Anor [1984] IR 348 for the proposition that, where the Defendants' negligence consisted in the failure to diagnose and treat [the missed primary condition], the inherent danger of [the recognised medical pathway, e.g. circulatory collapse and prolonged hypotension] arising from the said failure rendered the [secondary injury suffered, e.g. ischaemic stroke / sepsis-related brain injury] a foreseeable consequence of the negligence. The said secondary injury was not too remote in law to attract liability."

— Specimen pleading paragraph (illustrative; every pleading must be drafted to the specific facts)

The structural elements that make this pleading effective are three. The first names Reeves with its full citation. The second identifies the inherent danger of the missed condition in clinical terms that an expert can support. The third connects the secondary injury to that danger as a recognised pathway rather than a freak occurrence. Pleadings that omit any of the three are vulnerable to a remoteness defence.

A modern hypothetical: missed post-operative complication

Consider, by way of illustration, a hypothetical patient who undergoes elective laparoscopic surgery and is discharged the same day. The patient calls an out-of-hours cooperative twice in the following 48 hours with worsening abdominal pain. On the second attendance, an opioid analgesic is administered and the patient is advised to take antacids. The following day, the patient is admitted in septic shock from an undiagnosed anastomotic leak; the resulting cerebral hypoperfusion produces a permanent neurological deficit. The Reeves analysis applies: the inherent danger of an untreated anastomotic leak includes septic shock and circulatory collapse; brain injury arising on that pathway is a foreseeable consequence of the negligent failure to diagnose; the analgesia administered before a working diagnosis was reached masked the symptoms that should have driven the differential. Whether such a claim succeeds will depend entirely on the available expert evidence and on the disputed factual questions of the call-out itself.

How defendants respond to a Reeves pleading

Defendants in modern medical negligence cases typically respond to a Reeves pleading along three lines. The first is the contention that the secondary injury would have occurred regardless of the alleged breach — the same argument that succeeded in Quinn v Mid-Western Health Board [2005] IESC 19. The second is the contention that the foreseeable type of damage did not extend to the particular complication the claimant suffered — an attempt to read Reeves narrowly. The third, more recent, is the challenge to expert independence under the principles set out in Duffy v McGee [2022] IECA 254, which holds that a want of independence in an expert may go to the admissibility of their evidence — meaning it may be excluded entirely, not merely given reduced weight. The Crumlish decision applied that framework directly in dismissing the plaintiff's claim. Pleadings that rely on Reeves must therefore be supported by independent expert evidence that engages with the inherent-danger question on the clinical merits, not merely the legal proposition.

Common mistakes when pleading Reeves causation

Three errors recur in pleadings that attempt to invoke Reeves. The first is treating the case as a generic causation authority without anchoring the pleading to the inherent-danger formulation that the Supreme Court actually adopted. A pleading that asserts "stroke was foreseeable" without explaining the recognised medical pathway from missed condition to secondary injury concedes too much ground at the remoteness stage. The second is confusing Reeves with the standard-of-care line. Reeves assumes a breach and addresses the consequence; Dunne v National Maternity Hospital [1989] IR 91 is the standard-of-care authority. Pleadings that conflate the two lose the analytical clarity that defends against a strike-out application. The third is omitting Quinn on but-for causation. Reeves answers the foreseeability question; the but-for question is separate and decided on the balance of probabilities. Pleadings that rely on Reeves alone, without engaging with but-for causation, are doctrinally incomplete.

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Causation Evidence Checklist for Out-of-Hours Delayed-Diagnosis Claims #

The following on-page checklist distils the evidentiary disciplines that the Reeves framework continues to demand of modern claimants in delayed-diagnosis cases involving an out-of-hours general practitioner. The checklist is informational and does not constitute legal advice. Items in the checklist apply variably depending on the specific facts of the claim.

1. Contemporaneous patient and family account. Within 24 hours of the events: written record of who attended, what time, what was said about symptoms, what examination was performed, what was prescribed, what was advised. This account preserves the patient-side evidence on the dispute that drove Reeves.
2. HSE / OOH cooperative service records. Subject access request under GDPR for the call-recording, the triage record, the attending doctor's note, the prescription record, and any subsequent communications. The Patient Safety (Notifiable Incidents and Open Disclosure) Act 2023 may apply where the incident is notifiable.
3. Identification of the missed primary condition and its inherent danger. The pleading needs a recognised medical pathway from the missed condition to the secondary injury. Expert evidence anchors this: independent practitioners willing to describe the clinical pathway as one within the inherent danger of the untreated condition.
4. Expert reports addressing causation separately from breach. The Dunne standard-of-care expert evidence is not enough. A separate causation expert must address the foreseeability of the secondary injury and the but-for question on the balance of probabilities.
5. Independence of expert evidence. Expert reports should engage with the clinical question on the merits, not appear to "marry the data to the plaintiff's account" — the language the High Court used in Crumlish. Under the principles in Duffy v McGee [2022] IECA 254, a want of independence may go to the admissibility of the expert's evidence (meaning exclusion), not merely to its weight.
6. Engagement with the masking effect of analgesia. Where the call-out involved an opioid or sedative administered before a working diagnosis was reached, the pleading should address the masking effect as part of the chain of causation, not as an isolated act.
7. Timeline and limitation analysis. The Statute of Limitations 1957, as amended, and the date-of-knowledge rule apply. Where the link between the missed primary condition and the secondary injury was not apparent until later expert review, the date of knowledge may be later than the date of the secondary injury itself.
8. Certificate of Compliance preparation under HC131. Since 28 April 2025, the case must be ready for trial in the structural sense — pleadings complete, discovery exchanged, expert reports exchanged or offered, mediation undertaking given — before a trial date can be sought.

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From Doctor on Call (1977) to Today's OOH Cooperatives #

The Doctor on Call service through which both defendants attended the plaintiff in 1977 is the historical ancestor of the modern out-of-hours general practitioner cooperative. The structural parallels are close enough that Reeves applies to the modern context with very little adjustment.

The current Irish OOH cooperative network includes D-Doc/Northdoc (Dublin and surrounding counties), MIDOC (the midlands), NEDOC (the north-east), SouthDoc (Cork and Kerry), and WestDoc (the west). Each is funded through HSE arrangements but operates with a corporate or partnership structure that resembles, in legal effect, the 1977 Doctor on Call service. A patient who contacts a cooperative is usually seen by a general practitioner working on rota for that service rather than by the patient's regular GP. The clinical encounter is a single attendance, frequently at night, frequently with limited access to the patient's full records, and with the same diagnostic challenges that confronted Dr Carthy and Dr O'Kelly. The duty of care principles that O'Higgins C.J. accepted in Reeves — including the expert evidence that any doctor should regard a night call as serious — apply to that work today.

What has changed is the institutional architecture around it. Cooperatives operate quality-assurance systems and complaints procedures, and many run their own indemnity arrangements alongside Medical Council, HSE-funded, and individual medical defence cover. The line of liability is therefore frequently a more complicated question than it was in 1977 — the attending GP, the cooperative, the HSE in some configurations, and the patient's own GP for follow-up where relevant can all be involved. The doctrinal core, however, is unchanged: a missed examination and an analgesic that masks the symptoms remain the recognisable patterns that Reeves addresses. For practitioner-level treatment of the modern liability map see out-of-hours GP negligence claims in Ireland.

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The Procedural Footnote: Civil Juries Before the Courts Act 1988 #

Civil juries were used in personal injury actions in the High Court until they were abolished by Section 1 of the Courts Act 1988 (with limited surviving exceptions, principally defamation, intentional trespass to the person, false imprisonment, and malicious prosecution). Reeves v Carthy is one of the last reported Irish medical negligence cases at appellate level to engage directly with the jury withdrawal threshold. The procedural ruling — that withdrawal of the case from the jury was an extreme measure requiring an absolute absence of evidence on which a reasonable jury could find negligence — is therefore of historical interest only in modern medical negligence practice. The substantive holdings, on foreseeability and on the out-of-hours doctor's duty, are unaffected. The point matters mainly for readers who encounter Reeves in the older textbooks: the case is sometimes described as "principally a jury withdrawal case", which is correct as a description of the 1982 procedural posture and incorrect as a description of why the case is still cited in 2026.

Indexing note: some older indexes record the case as Reeves v McCarthy & O'Kelly. The correct spelling per the judgment text is Carthy.

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What Are the Most Common Misconceptions About Reeves v Carthy? #

Several misstatements of the case recur in non-specialist commentary. The list below identifies the five most common and corrects each against the primary source.

1. "Reeves v Carthy is principally a jury-withdrawal case." Incorrect as a description of the doctrinal significance. The procedural ruling on jury withdrawal is of historical interest only following the abolition of civil juries in personal injury actions by Section 1 of the Courts Act 1988. The case is cited in modern Irish medical negligence litigation for its foreseeability holding on the type-of-damage rule, not for its procedural ruling.
2. "Cyclomorph is not a real drug" or "cyclomorph was unique to 1977." Incorrect. Cyclomorph is described in the judgment as a drug containing morphine. The masking effect of opioid analgesia on the symptoms of an acute abdomen — the very effect that drove the causation analysis in Reeves — applies equally to modern opioids in current clinical use.
3. "Reeves v Carthy was overruled by Dunne v National Maternity Hospital." Incorrect. Dunne [1989] IR 91 set out the standard-of-care test for Irish medical negligence; it did not overrule Reeves, which addresses the separate question of whether the type of damage suffered was foreseeable. The two authorities operate in parallel in modern pleadings.
4. "The surname is McCarthy." Incorrect. The correct spelling per the judgment is Carthy. The misspelling appears in some older indexes and case lists, including occasional secondary databases that record the case as Reeves v McCarthy & O'Kelly.
5. "Reeves v Carthy simply adopted Wagon Mound (No 1) without modification." Partly incorrect. Reeves is an Irish application of the type-of-damage rule, but the Supreme Court framed the rule in terms of the inherent danger of the missed primary condition — a formulation narrower and more useful in medical settings than the broader Wagon Mound proposition standing alone. The Irish approach to foreseeability in clinical settings is, on balance, slightly more generous to claimants than the modern English position.

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Conclusion: Why Reeves v Carthy Still Matters in Irish Medical Negligence Practice #

Reeves v Carthy [1984] IR 348 has outlasted its 1982 procedural posture and become an evergreen authority on foreseeability in Irish medical negligence. The case answers a question that arises in almost every delayed-diagnosis claim: when a primary clinical failure produces a secondary systemic injury — a stroke, a sepsis-driven brain injury, an end-organ catastrophe — is that secondary injury within the proper bounds of liability, or too remote? The Supreme Court's answer was that the foreseeable type of damage is fixed by the inherent danger of the missed condition itself, not by whether the specific complication has been seen before in this patient. That answer has not been disturbed.

Three points carry through to modern practice. First, the duty of care owed by an out-of-hours general practitioner is not relaxed by the conditions of call-out work; if anything, the seriousness of a night call raises the duty. Second, analgesia administered before a working differential diagnosis is reached can constitute negligence where it masks the symptoms that should have driven the diagnostic process. Third, intervening events that are themselves foreseeable consequences of the original negligence — including a patient's distressed refusal of admission, or a second clinician's later attendance — do not sever the chain of causation. Each of these propositions is recognisable from the 1977 record, and each is the foundation of a recurring pleading pattern in 2026 out-of-hours delayed-diagnosis cases.

The procedural environment in which the case is now invoked has changed. Practice Directions HC131 and HC132, effective 28 April 2025, require expert reports on causation and foreseeability to be exchanged well before trial. Crumlish v HSE [2024] IECA 244 shows what happens when that expert evidence cannot establish the inherent danger of the missed condition. Duffy v McGee [2022] IECA 254 sets the framework within which the independence of those experts is now tested. Reeves remains the analytical anchor — the case that tells courts what kinds of secondary harm fall within liability once breach and but-for causation are made out. That role is unlikely to change.

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Frequently Asked Questions #

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Related Questions That Bridge to Other Guides #

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Related Cases, Statutes, and Site Pages #

References #

Each citation is marked [P] primary source or [S] secondary source. Where a primary source is not freely accessible online (for example, Irish Reports judgments pre-2001), the most authoritative publicly accessible reproduction is linked. Citations follow OSCOLA. Pinpoint pagination is given where verified against the primary source; where not verifiable, the headnote-level citation is given.

1. [P] Reeves v Carthy & Anor [1984] IR 348, Docket No [S.C. No. 161 of 1981] (Supreme Court of Ireland, judgment delivered 28 April 1982; O'Higgins C.J. delivered the leading judgment with Hederman J. concurring; Griffin J. delivered a separate concurring judgment). Primary-source extract: vLex case record — Reeves v Carthy. Headnote-level citation only; pinpoint pagination within [1984] IR 348 not verified against the primary source. The two passages quoted in blockquote form are drawn from the accessible vLex extract of the judgment; they have not been cross-checked against the bound Irish Reports volume. Practitioners requiring verbatim quotation for court documents should verify against [1984] IR 348 in the Law Library or a licensed full-text database.
2. [P] Dunne v National Maternity Hospital [1989] IR 91 (Supreme Court of Ireland) — six-point Irish standard-of-care test. Reproduced and discussed across Irish tort textbooks.
3. [P] Quinn v Mid-Western Health Board [2005] IESC 19 (Supreme Court of Ireland). Full judgment: BAILII — Quinn v Mid-Western Health Board.
4. [P] Morrissey v HSE [2020] IESC 6 (Supreme Court of Ireland). Full judgment: BAILII — Morrissey v HSE.
5. [P] Crumlish v HSE [2024] IECA 244 (Court of Appeal of Ireland, judgment delivered 15 October 2024 by Noonan J. with Power J. and Binchy J. on the three-judge panel). Secondary report: Irish Times — Court of Appeal report (15 October 2024).
6. [P] Duffy v McGee [2022] IECA 254 (Court of Appeal of Ireland, judgment delivered 7 November 2022 by Noonan J., with concurring judgment of Collins J.; Binchy J. authorised Collins J. to record his agreement) — expert witness independence; admissibility of evidence where the expert "espouses the plaintiff's case too closely". Cited in Crumlish v HSE. Full judgment: BAILII — Duffy v McGee.
7. [P] Overseas Tankship (UK) Ltd v Morts Dock & Engineering Co Ltd (Wagon Mound (No 1)) [1961] AC 388 (Privy Council on appeal from New South Wales). Persuasive authority in Ireland; foreseeability / type-of-damage rule.
8. [P] Hughes v Lord Advocate [1963] AC 837 (House of Lords). Persuasive authority in Ireland; type-of-damage rule.
9. [P] Courts Act 1988, s.1 — abolition of civil juries in personal injury actions in the High Court (with limited surviving exceptions). Irish Statute Book — Courts Act 1988.
10. [P] Civil Liability Act 1961. Irish Statute Book — Civil Liability Act 1961.
11. [P] Statute of Limitations (Amendment) Act 1991, s.2 — date-of-knowledge rule for personal injury actions. Irish Statute Book — Statute of Limitations (Amendment) Act 1991.
12. [P] Patient Safety (Notifiable Incidents and Open Disclosure) Act 2023 (commenced 26 September 2024). Irish Statute Book — Patient Safety Act 2023.
13. [P] Practice Direction HC131 — Clinical Negligence Actions: Applications for Trial Dates (issued 8 April 2025 by the President of the High Court; effective 28 April 2025). courts.ie — Practice Directions.
14. [P] Practice Direction HC132 — Clinical Negligence List (issued 8 April 2025 by the President of the High Court; effective 28 April 2025). courts.ie — Practice Directions.
15. [P] Personal Injuries Guidelines (adopted by the Judicial Council 6 March 2021; in force from 24 April 2021 pursuant to the Judicial Council Act 2019 (Commencement) Order 2021 — S.I. No. 150 of 2021 — with the Family Leave and Miscellaneous Provisions Act 2021 providing supplementary amendments to make the Guidelines binding on courts). Judicial Council — Personal Injuries Guidelines.
16. [S] Bryan McMahon and William Binchy, Law of Torts (Bloomsbury Professional, 5th ed., December 2025) — standard Irish tort law textbook; chapter on remoteness and foreseeability cites Reeves v Carthy. ISBN-13: 978-1526529862.
17. [S] Eoin Quill, Torts in Ireland (Gill, current edition) — standard Irish tort law textbook; treatment of foreseeability and remoteness.
18. [P] Reeves v Carthy — Cited authorities list and citing references on vLex: ie.vlex.com — Reeves v Carthy record.

How This Article Was Researched and Verified #

About the Author #

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