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Stroke is the clinical state characterized by the appearance of focal or generalized disturbances in a cerebral function that lasts for more than 24 hours or results in death with no other obvious cause than a vascular origin. It is mainly categorized as ischemic stroke, hemorrhagic stroke, and subarachnoid hemorrhage stroke. Hemorrhagic stroke occurs when a blood vessel bursts, causing blood to flood into the cerebral cavity. An ischemic stroke is caused by a blood vessel obstruction that reduces the blood supply to the brain.
Causes of Stroke
Stroke is known as the second major cause of increased mortality and the third leading cause of disability across the globe. Around 68% of all strokes affecting individuals are ischemic, while 32% of the strokes are hemorrhagic. A related illness known as a transient ischemic attack (TIA) may occur in which the brain's blood flow is momentarily disrupted. As a result, a mini-stroke occurs. It could last for a short while or linger for up to 24 hours. TIAs should be treated immediately since they frequently indicate that you could soon experience a complete stroke. Consult with our Neurologist in Kolkata to know more about the causes and treatment.
Some of the conditions that increase the risk of stroke include:
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