Three night-watchmen attended hospital after vomiting from arsenic-laced tea. The casualty officer refused to examine them, sending them home. Mr Barnett died of arsenic poisoning. His widow’s negligence claim failed because even proper treatment would not have saved him, establishing a key ‘but for’ causation precedent.
Background
On 1 January 1966, three night-watchmen from the Chelsea College of Science and Technology attended the emergency department of the hospital managed by the Chelsea & Kensington Hospital Management Committee at approximately 8 am. They had already visited the hospital at about 4 am because an intruder had struck one of them with an iron bar. On this second occasion, they reported to a nurse that they had been vomiting since drinking tea at about 5 am. The casualty officer, Dr Banerjee, did not see the patients. Instead, he advised the nurse by telephone that the men should go home and contact their own doctors. One of the three, Mr Barnett, died approximately five hours later from arsenic poisoning. His widow, Mrs Barnett, brought an action in negligence against the hospital management committee.
The Issue(s)
The central issue before the court was whether the hospital’s admitted breach of its duty of care — in failing to examine or treat Mr Barnett — was the factual cause of his death. This required the application of the ‘but for’ test of causation: but for the defendant’s negligence, would Mr Barnett still have died?
The Court’s Reasoning
Nield J, sitting in the Queen’s Bench Division of the High Court of Justice, held that the hospital was not liable. While the court accepted that the hospital had breached the standard of care owed to Mr Barnett by failing to examine or treat him, the critical question was whether that breach caused his death.
On the evidence, the court found that even if Mr Barnett had been admitted and treated, there was little or no chance that the antidote for arsenic poisoning could have been administered to him in time to prevent his death. In other words, the breach of duty was not a cause of Mr Barnett’s death because the outcome would have been the same regardless of the hospital’s negligence.
The principle was expressed as follows:
A doctor’s refusal to treat a patient who appears before him after swallowing arsenic is not a cause of fact in the patient’s subsequent death if it is established that even proper treatment would not have saved him.
Thus, while the defendant’s conduct was negligent in breach of its duty of care, the claimant could not establish the necessary causal link between that breach and the harm suffered.
Practical Significance
This case is one of the most frequently cited authorities in English tort law on the element of factual causation. It provides a clear and authoritative illustration of the ‘but for’ test: but for the defendant’s negligence, would the claimant have still suffered the loss? Where the answer is that the claimant would have suffered the same loss regardless of the defendant’s breach, the claim in negligence must fail for want of causation, even where duty and breach are established.
The decision underscores that proof of negligence alone is insufficient to ground liability in tort. A claimant must also demonstrate, on the balance of probabilities, that the defendant’s breach of duty was an effective cause of the damage complained of. The case is of particular importance in medical negligence claims, where the question of whether earlier or different treatment would have altered the outcome is often determinative.
The case sits within a broader line of causation authorities in English law, including McGhee v National Coal Board [1973] 1 WLR 1, Hotson v East Berkshire Area Health Authority [1987] AC 50, and Fairchild v Glenhaven Funeral Services Ltd [2002] UKHL 22, which have further developed and refined the principles of factual causation in negligence.
Verdict: The claim was dismissed. Nield J held that the hospital was not liable in negligence because, although the hospital had breached its duty of care by failing to examine or treat Mr Barnett, that breach was not the cause of his death. Even with proper treatment, Mr Barnett would not have survived the arsenic poisoning.
Source: Barnett v Chelsea and Kensington Hospital [1968] 2 WLR 422
