Stroke, Ischemic Stroke

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A stroke happens when blood flow to a part of the brain stops. A stroke is sometimes called a 'brain attack'. If blood flow is stopped for longer than a few seconds, the brain cannot get blood and oxygen. Brain cells can die, causing permanent damage. There are two major types of stroke: ischemic stroke and hemorrhagic stroke. Ischemic stroke occurs when a blood vessel that supplies blood to the brain is blocked by a blood clot. This may happen in two ways: A clot may form in an artery that is already very narrow. This is called a thrombotic stroke; A clot may break off from another place in the blood vessels of the brain, or from some other part of the body, and travel up to the brain. This is called cerebral embolism, or an embolic stroke; Ischemic strokes may be caused by clogged arteries. Fat, cholesterol, and other substances collect on the artery walls, forming a sticky substance called plaque. Ischemic Stroke is a leading cause of morbidity and mortality. Approximately 85% of strokes are ischemic, caused by vascular occlusion. A clinical emergency: timely diagnosis, triage, and intervention can improve outcome. Care of patients in dedicated stroke units results in improved survival and function. Intravenous tissue plasminogen activator is given within 4.5 hours of stroke onset. Intra-arterial reperfusion therapies, using either intra-arterial thrombolysis or clot retrieval devices, are used by experienced centers in select cases up to 8 hours from symptom onset. The symptoms of stroke depend on what part of the brain is damaged. In some cases, a person may not know that he or she has had a stroke. Symptoms usually develop suddenly and without warning. Or, symptoms may occur on and off for the first day or two. Symptoms are usually most severe when the stroke first happens, but they may slowly get worse.

Symptoms:

Laboratory Test Procedures:

headache
coma
fainting
sleepiness
concentration difficulties
progressive loss of hearing
decreased sense of smell or taste
inability to feel pain
sensitivity to cold
changed ability to feel pain, touch, pressure, or different temperatures
heaviness of the limb
confusion
forgetfulness
difficulty swallowing
difficulty writing or reading
lightheadedness
frequent urination
problems controlling stools
loss of balance
muscle weakness
numbness or tingling on one side of the body
behavioral and emotional changes
blurred vision
temporary loss of vision
blindness
double vision
difficulty speaking
unsteady walking

Mean Plt Volume (MPV)
LDH Lactate dehydrogenase
Protime/INR
PTT
Hemoglobin
Hematocrit
RBC
Platelet Count
D-dimer (fibrin degradation products)
Glucose
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All information on this page is intended for your general knowledge only and does not provide medical advice, diagnosis or treatment. See Additional Information

Copyright © 2017 SmrtX Last updated: Friday, January 6th, 2017