Perimesencephalic NASAH is characterized by a distinctive pattern of blood seen on an initial CT scan performed within hours of symptom onset. The subarachnoid blood is confined to the midbrain ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

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