Sudden Stroke Info and Facts
A sudden stroke, also called brain attack or cerebrovascular attack (CVA), happens due to a rapid loss of brain cells when blood flow to part of the brain is disrupted. Lack of blood flow means that oxygen and glucose cannot be delivered to the brain efficiently. A stroke is a medical emergency and can lead to permanent neurological damage or even death. Strokes are classifie into main types: ischemic and hemorrhagic. An ischemic stroke, which is more common, is due to the disruption of blood supply to the brain, for example due to a blood clot that blocks a blood vessel in the brain. A Hemorrhagic stroke is one in which a blood vessel is ruptured or breaks and bleeds into the brain. Mini-strokes or transient ischemic attacks (TIAs), are considered a variation of ischemic stroke but its symptoms last for a few seconds to a few hours (compared to a stroke whose symptoms typically last over 24 hours). Normally brain stroke symptoms will be noticeable suddenly within a few seconds or minutes of a stroke, although they will vary depending on the area of the brain that has been affected and the amount of tissue that has been damaged. There are five major signs of a stroke. These brain stroke symptoms include:
1. Weakness: Sudden numbness or weakness of face, arm or leg, especially on one side of the body.
2. Speech/Language Disturbances: Sudden confusion or trouble in speaking or understanding speech.
3. Visual symptoms: Sudden trouble seeing in one or both eyes
4. Motor symptoms: Sudden trouble in walking, feeling dizzy or loss of balance and coordination
5. Severe Headache: Sudden and severe headache with unknown cause
There are a number of risk factors that are implicated in sudden stroke causes. Heart problems, high cholesterol or build up of plaque in arteries are example of risk factors that can cause a stroke. Additionally, sudden stroke causes include high blood pressure and diseases that cause blood to clot such as thrombosis or embolism. High blood pressure or hypertension over a long period of time can damage blood vessels either causing them to become narrow (stenosis) or weak causing bleeding inside the brain. Smoking and drug abuse can aggravate problems with blood vessels and strokes.
Brain stroke treatment is determinant so it is highly recommended to reach a hospital quickly. Tests can determine if your symptoms are due to a stroke or something else. Brain stroke treatment in case of an ischemic stroke can be treated with a drug called t-PA that dissolves blood clots. You may also be given aspirin or blood thinners and medication for high blood pressure, high cholesterol, heart problems and diabetes. If a sudden stroke is due to a ruptured artery or where a clot is not a culprit, you may be given a different treatment.
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