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A pain in the neck

Post date: 01/08/2004 | Time to read article: 3 mins

The information within this article was correct at the time of publishing. Last updated 18/05/2020

Mr P, a 35-year-old panel beater, saw his GP, Dr S, as he’d developed sudden headache and neck pain whilst bending down to pick up a screwdriver.

Dr S found Mr P’s BP to be 150/88 mmHg and recorded ‘CNS – clinically NAD’. Dr S found some slight neck tenderness over C6-C7 and sent Mr P for a cervical spine x-ray and advised him to see an optician. Presumably, this was because Mr P had complained of visual symptoms, but Dr S kept no record of this. Mr P’s x-ray was unremarkable.

Mr P went to his optician, who found no ocular abnormality. Mr P’s headache persisted and two weeks later he went to A&E. He gave a history of two weeks of severe headache with vomiting, photophobia and diplopia. It had started suddenly, with a further acute exacerbation prompting his attendance at A&E.

The pain was described as sharp and located in the occipital area, graded 10/10 for severity. Shortly after the worsening of his headache, Mr P had experienced unusual olfactory perceptions, then had a witnessed blackout. From his wife’s description, this was probably a generalised seizure. Mr P had no focal neurological signs.

The A&E doctor arranged an urgent CT scan which revealed evidence of a subarachnoid bleed, probably from the right middle cerebral artery. The next day Mr P was about to undergo cerebral angiography when he suddenly deteriorated and developed a left hemiparesis.

Repeat CT revealed a substantial re-bleed and he was operated on as an emergency, undergoing craniotomy, clot evacuation and clipping of his aneurysmal right middle cerebral artery. Mr P was left with a disabling left-sided paralysis and epilepsy.

Mr P started legal proceedings against Dr S alleging negligence in that he had failed to consider the possibility of subarachnoid haemorrhage or refer for further investigations or follow up. Dr S denied that he had been given any history of diplopia.

However, he had asked Mr P to see an optician, and Mr P had given a very clear account of these symptoms in A&E, present from the start of his headache.

Expert opinion

We sought advice from a GP expert who was concerned at the lack of historical detail about associated symptoms that would raise the index of suspicion for subarachnoid haemorrhage. It was felt that formal enquiry about nausea, photophobia and visual symptoms, recorded in the notes, represented the standard of reasonable care that would be expected by a responsible body of GPs.

The expert pointed out that the diagnosis is made largely on the basis of the history and that ‘Dr S had not taken a sufficiently adequate history to rule out a vascular cause, which is necessary when there is a history of a sudden onset of headache.

Dr S pointed out that he had considered the diagnosis but not seriously entertained it. The expert advised that ‘If Dr S considered the diagnosis, he should have sent the patient in.’

Neurosurgical opinion had some sympathy with Dr S, noting that some features of the history were atypical, but felt that the combination of sudden headache, neck pain and diplopia should have raised Dr S’s suspicion of the diagnosis. Had referral and surgery been carried out at first presentation, it was likely that Mr P would have escaped significant disability.

We settled the claim for a sum equivalent to £500,000.

Learning notes

Subarachnoid haemorrhage can be a difficult diagnosis to make. Where there is a history of a sudden headache, particularly if it is occipital and there is associated neck pain, it is wise to maintain a high index of suspicion for the diagnosis. If there is any suspicion of the diagnosis in a primary-care setting, you should have a very low threshold for referral for further assessment.

Careful documentation of the presence or absence of associated symptoms of meningism and other neurological symptoms is recommended when assessing acute headaches. With a herald bleed, there will often be no neurological signs.

See our previous article on ‘Diagnosing acute headache’  in Casebook 2003 (3), for advice on clinical assessment of this scenario. When a previously fit patient complains of a ‘first and worst’ acute headache, subarachnoid haemorrhage should feature prominently in your differential diagnosis.

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