Stroke is the second leading case of death and the leading cause of long term disability in the world.About one in four adults have undiagnosed diabetes and/or hypertension which are the two main preventable causes of strock.Thus it is imperative to know and prevent strocke.
What is a Stroke?
A Stroke is serious-just like a heart attack.A strock is sometimes called a "brain attack".Most often, stroke
occurs when blood flow to the brain stops because it is blocked by a clot .The brain cells in the immediate areas begin to die because they stop getting the oxygen and nutrients they need to function.Stroke is a dangerous disease.One third of stroke victims die,one third are premanently disabled and only one third recover completely.Outcome in strock depends on the expertise of the care provided to the patient.
What is Causes a Stroke?
There are two kind of stroke.The most common kind of stroke,called ischemic stroke,is cause by a blood clot that blocks or plugs a blood vessel in the brain.The other kind of strock,called haemorrhagic stroke,is caused by a blood vessel that breaks and bleeds into the brain.this is also called a brain haemorrhage.These represent about 20% of all strokes.
Know The Sign and Symptoms:
Because strock injures the brain,you may not realise that you are having a stroke.To a bystander,someone having a stroke may just look unaware or confused.Stroke victims have the best chance if someone around them recognises the symptoms and acts quickly.The symptoms of strock are distinct because they happen quickly:
- Sudden numbness or weaknes of the face,arm,or leg(especially on one side of the body)
- Sudden confusion,trouble speaking or understanding speech
- Sudden trouble seeing in one or both eyes
- Sudden trouble walking,dizziness,loss of balance or coordination
- Sudden severe headache with no know cause
othe danger signs that may occure include double vision,drowsiness,and nausea or vomiting.Sometimes the warning signs may last only a few moments and then disappear.These brief episodes,know as transient ischemic attacks or TIAs,are sometimes called "mini-strokes".Although brief ,they identify an underlying serious condition that is not going away without medical help.Unfortunately,since they clear up,many people ignore them.Don't.Heeding them can save your life.
How is Stroke Diagnosed?
Doctors have several techniques and imaging tools to help diagnose stroke quickly and accrately.The first steps in diagnosis is a short neurological examination,or an evaluation of the nervous system.when a possible strock patient arrives at a hospita,a health care professional,usually a doctor or nurse,will ask the patient or a
companion what happened and when the symptoms began.Blood tests,an electrocardiogram,and a brain scan such as computed tomography or CT,or Magnetic resonance imaging Or MRI,will often be done.
Treatment of Stroke:
There are three tratment stages for strock:
prevention,therapy immediately after stroke,and rehabilitation,surgery,and rehabilitation.
Medication or drug therapy is the most common treatment for stroke.The most popular kinds of drug to prevent or treat strock are antithrombotics which include antiplateletagent and anticoagulants and thrombolytics.
In treating a stroke that has just occurred,every minute counts.ischemic strokes the most common kind can be treated with thrombolyticdrugs.These drugs halt the stroke by dissolving the blood clot that is blocking blood flow to the brain .But a person need to be at the hospital as soon as possible after stroke symptoms strat,to be evaluated and receive treatment.Athrombolytic drug know as t-PA can be effective if a person receives it intravenously within three hours after his or her stroke symptoms have started.Since thrombolytic drugs can increase bleeding,t-PA should be use only after the doctor is certain that the patient has suffered an ischemic and not a haemorrhagic stroke.
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Unknown - Wednesday, 27 July 2011
