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

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 ...

Introduction: Spontaneous spinal subarachnoid hemorrhage (SAH) occurs in less than 1% of all cases of SAH, and idiopathic spontaneous spinal SAH is even more rare. Methods: A 48-year-old man presented ...

A 45 year-old man developed the lightning onset of an explosive headache followed by coma. Subarachnoid Hemorrhage - Basilar Artery Aneurysm. Axial CT scans without contrast. Note the bright signal ...

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 ...

BACKGROUND: We previously derived the Ottawa Subarachnoid Hemorrhage Rule to identify subarachnoid hemorrhage (SAH) in patients with acute headache. Our objective was to validate the rule in a new ...

Nontraumatic subarachnoid hemorrhage is a neurologic emergency characterized by the extravasation of blood into the spaces covering the central nervous system that are filled with cerebrospinal fluid.

Headaches are common and account for 2% of visits to the emergency department.1 Subarachnoid hemorrhage, often from a bleeding cerebral aneurysm, causes 1% of headaches seen in emergency departments ...

A subarachnoid hemorrhage occurs when blood leaks into the space between two of the membranes surrounding the brain. A swollen blood vessel, or aneurysm, usually ruptures and causes the condition.

Subarachnoid hemorrhage (SAH) refers to bleeding within the subarachnoid space, which is the area between the brain and the tissues that cover the brain. The subarachnoid space is the space where the ...