What Is a Subarachnoid Hemorrhage?
8. Complications
Many pulmonary and cardiac complications are associated with SAH. In particular, brain arteries can narrow and result in neurological problems or ischemic strokes. Some patients experience seizures during the acute phase, and others require medication to prevent them for the rest of their lives.
SAH patients also are at risk of hydrocephalus, an excess of cerebrospinal fluid in the brain caused by blood blocking the passageways where it normally flows. Doctors carefully monitor brain pressure and give medications to lower it when necessary. They also may install a temporary or permanent drain to release fluid.
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