Subarachnoid hemorrhage is caused by rupture of an aneurysm leading to bleeding into which space?

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Multiple Choice

Subarachnoid hemorrhage is caused by rupture of an aneurysm leading to bleeding into which space?

Blood from a ruptured intracranial aneurysm enters the subarachnoid space, the CSF-filled interval surrounding the brain and spinal cord between the arachnoid and pia mater. This is where subarachnoid hemorrhage occurs. The subdural space lies between the dura and arachnoid (often from torn bridging veins), the epidural space is between skull and dura (usually traumatic arterial bleed), and bleeding into the brain tissue itself is intraparenchymal hemorrhage.

Blood from a ruptured intracranial aneurysm enters the subarachnoid space, the CSF-filled interval surrounding the brain and spinal cord between the arachnoid and pia mater. This is where subarachnoid hemorrhage occurs. The subdural space lies between the dura and arachnoid (often from torn bridging veins), the epidural space is between skull and dura (usually traumatic arterial bleed), and bleeding into the brain tissue itself is intraparenchymal hemorrhage.

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