Stroke, a medical emergency, occurs when blood flow or arteries carrying blood to the brain is interrupted or blocked. It leads to a gradual decline of oxygen and nutrient in the brain leading to the rapid death of brain cells in minutes. Stroke is of two types: Ischemic, reduce blood flow and Haemorrhagic, internal bleeding. High blood pressure is one of the main risks of stroke and other risks include smoking, high cholesterol, obesity, and diabetes.
Signs of a stroke include paralysis, numbness, headache, trouble with speaking and understanding, confusion, and loss of coordination. Stroke diagnosis involves a physical exam to see balance, numbness, coordination, weakness or sign of confusion. Test through which we can diagnose stoke is MRI, CT scan, blood test, cerebral angiogram, echocardiogram, and carotid ultrasound. Prevention of stroke includes reducing the risks by doing exercise, controlling high blood pressure and diabetes, maintain a healthy weight, lowering the amount of cholesterol, taking anticoagulants or anti-platelet drugs.
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