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INFORMATION ABOUT STROKE
A stroke or a “brain attack” occurs when the blood flow to the brain is interrupted. The moment a stroke takes place brain cells in the immediate area bring to die as they stop getting the oxygen and nutrients they need to survive. Around 600,000 new strokes are reported every year in United States. Stroke being the third leading cause of death and disability in adult in U.S. has to be treated within 60 minutes to prevent the disability.
There are two major kinds of stroke: one is the ischemic stroke, caused by a blood clot that blocks a vessel or artery in the brain. 80% of all strokes are ischemic. Another one known as the hemorrhagic stroke is caused by the breaking and bleeding of a blood vessel in the brain. 20% of the strokes are hemorrhagic.
Symptoms of stroke range from sudden numbness of the face, arm, or leg (especially on one side of the body), sudden trouble in speaking or understanding speech, sudden trouble in seeing, sudden trouble in walking, dizziness, loss of balance or coordination, to severe headache with no cause.
Stroke can affect the entire body. It can bring about paralysis, problem of thinking, problem in speaking, and emotional problems. Pain or numbness can follow a stroke. If acted immediately much of the damage can be controlled. People with a family history of stroke are at a greater risk. Smokers, diabetic person, people with high blood pressure, high cholesterols are at a greater risk than other people.
Before starting the treatment doctors make use of CT scan and MRI to diagnose the type of stroke the patient had. Drugs such as t-PA are administered to the patient to open the blocked blood vessels. Sometimes surgeries are done to prevent stroke such as Carotoid Endarterectomy or Angioplasty and Stenting. Hemorrhagic stroke generally need surgery to relieve intracranical pressure caused by bleeding. Recovery and REhabilatation is an important aspect of stroke treatment.