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More About Hemorrhagic Strokeby Any Safarodiyah Hemorrhage accounts for 20 to 25 percents of all strokes. According to WHO, there are two types of hemorrhagic stroke, intracerebral hemorrhage (ICH) and subarachnoid hemorrhage (SAH). An ICH often occurs at daytime, in a physical activity. In this stroke, blood leaks from small vessels in the base of the brain. The walls of these vessels are weakened due to long exposure to high blood pressure and eventually bursts. About two-thirds of patients with an intracerebral hemorrhage have a history of hypertension. Other causes of bleeding into the brain include brain tumor, trauma, arteriovenous malformation (AVM), and stimulant drugs such as amphetamines and cocaine. An SAH happens if the blood bleeds into the subarachnoid space. This term accords to the space between the brain tissue and the arachnoid membranes that covers the brain. The main cause of SAH is aneurysm or vascular malformation of a large artery of the brain. The classic symptoms of SAH is the sudden onset of an excrutiating headache. Sometimes it is associated with neck stiffness, change in consciuosness, nausea and vomiting, diffuse intelectual impairment, and seizures. Other symptoms may occur depending on the location and size of the hemorrhage. |
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