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

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.

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.

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 ...

Cerebral vasospasm is the classic cause of delayed neurological deterioration after aneurysmal subarachnoid hemorrhage, leading to cerebral ischemia and infarction, and thus to poor outcome and ...

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 ...

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 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 ...

Hyponatremia commonly occurs in patients with aneurysmal subarachnoid hemorrhage. Two mechanisms have been proposed as causes: syndrome of inappropriate anti-diuretic hormone and cerebral salt wasting ...

What is the relative accuracy of CT head scans at different time intervals, for example 12 hours or 24 hours after symptom onset, to diagnose subarachnoid haemorrhage? For a short explanation of why ...

People with a suspected subarachnoid haemorrhage can present with a wide range of symptoms and signs. There was little evidence to indicate which symptoms or signs specifically point to a diagnosis of ...