...all 121 cases of SAH ... were identified by clinicians solely on the basis of CT imaging results The researchers collected data from 11 tertiary-care emergency departments across Canada on 3,132 ...

Getty Images A 23-year-old woman presents to the emergency department (ED) with a sudden onset of a thunderclap headache that she describes as the “worst headache of her life.” A 23-year-old woman ...

The brain is very well protected from injury by the skull and membranes just below the skull, referred to as the meninges. The meninges consist of 3 layers, the dura mater, the arachnoid and the pia ...

Patients who experience a nonaneurysmal subarachnoid hemorrhage differ from patients who suffer an aneurysmal subarachnoid hemorrhage in initial presentation (including neurological examination and ...

A 25 year-old man developed the sudden onset of an explosive headache followed by nausea and vomiting. Subarachnoid Hemorrhage. Axial CT scans without contrast. Note the bright signal which signifies ...

SAH is a devastating disease with a mortality of 45% and from which 30% of the survivors will have severe disability. 3 The chance of an aneurysm which has had a small rupture, having a further bleed ...

A previously healthy 27 year-old woman developed a sudden, severe headache followed by nausea and vomiting. By the time she reached the hospital, she was poorly responsive. Her neurological ...