Subarachnoid intracranial hemorrhage

Subarachnoid intracranial hemorrhage is a life-threatening subtype of hemorrhagic stroke characterized by bleeding directly into the subarachnoid space between the arachnoid membrane and the pia mater

Subarachnoid intracranial hemorrhage is a life-threatening subtype of hemorrhagic stroke characterized by bleeding directly into the subarachnoid space between the arachnoid membrane and the pia mater It affects the central nervous system across diverse adult populations, most frequently arising spontaneously from the rupture of an intracranial aneurysm or secondary to traumatic head injury

It affects the central nervous system across diverse adult populations, most frequently arising spontaneously from the rupture of an intracranial aneurysm or secondary to traumatic head injury

Clinically, it presents with a sudden, severe thunderclap headache accompanied by signs of meningeal irritation, nausea, vomiting, photophobia, or altered consciousness

Clinically, it presents with a sudden, severe thunderclap headache accompanied by signs of meningeal irritation, nausea, vomiting, photophobia, or altered consciousness

Pathophysiologically, the extravasated blood causes an acute increase in intracranial pressure and poses significant risks of secondary complications, including delayed cerebral ischemia, cerebral vasospasm, and hydrocephalus