Subarachnoid hemorrhage (SAH) is a serious, life-threatening type of stroke that occurs due to bleeding in the area between the brain and the tissue that cover the brain (subarachnoid space). The subarachnoid space is filled with cerebrospinal fluid and protects our brain from serious injuries by serving as a cushion. Any kind of hemorrhage in this space can cause coma, paralysis, and even death.
Subarachnoid hemorrhage occurs more commonly than intracerebral hemorrhage but has a better survival rate of the patient.
Subarachnoid hemorrhage can be caused due to different reasons such as:
The symptoms (mainly headache) generally appear after a snapping or popping sensation in the head. Afterward, patient complaints of following:
The symptoms of SAH appear very suddenly and patient quickly becomes unconscious. In such a condition, diagnosis of SAH is made with following:
Authored By Dr. Manish Vaish
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