Posted by Chantel Martiromo, Article By Kyle J. Norton
What is stroke?
Stroke is defined as condition in which the brain function is interrupted rapidly due to the loss of blood supply
as a result of the blockage of blood such as thrombosis and arterial
embolism, or leakage of blood causes of the death of brain cells,
according to the article of Mitochondria, oxidative metabolism and cell death in stroke by Sims NR, Muyderman H (September 2009).
Stroke is caused by cholesterol build up in the arteries and high blood
pressure. In other words, if cholesterol building up in the arteries is
blocking the circulation of blood in any part of the body causing
oxygen not to be delivered to the brain, resulting in some cells in the
brain to die off and are unable reproduce,
Besides cancer and heart
diseases, stroke is the third leading cause of death. Approximate 1/4 of
all stroke victims die as a direct result of the stroke or it's
Women and stroke
to the statistic of the Heart and Stroke Foundation, strokes kill 45%
more women than men in Canada. In the study, published in the journal Neurology,
researchers from the University of California at Los Angeles monitored
17,000 people over a period of six years. They found the incidence of
stroke rising faster among women than men.When women reach the age of
45, the risk of stroke begins to rise rapidly, it may be due to levels
of estrogen has dropped significantly at age 45 and onward.
Diagnosis and tests
recording you family history and a complete physic exams, including the
neurological examination and blood pressure reading. The neurological
examination is done in your doctor office to check for any sign of
stroke including, awareness, speech, language, and memory function, eye
movements, movement in the face arms and legs, reflexivity, walking and
1. Blood test
Blood test is usually the first test
that your doctor orders to check for levels of cholesterol, blood
coagulation disorder and levels of glucose.
2. X-ray computed tomography scan
CT scan generates a large series of two-dimensional X-ray images taken
around a single axis of rotation, to create a three-dimensional picture
of the inside of the body in details.The pictures are viewed by your
doctor to see the extent of the bleeding inside the brain.
3. Magnetic Resonance Imaging (MRI)
(magnetic resonance imaging is one of many advanced technology used to
visualize internal structures cross sectional imaging of your body used
effectively in providing the better details of narrowing or blockage of
blood vessels in the brain and surrounding areas.
4. Transcranial Doppler (TCD)
is a test that measures the velocity of blood flow through the brain's
blood vessels by using the ultrasound probe to emit a high-pitched sound
wave in to the testing areas, then measure the bounces off wave by the
same probe. The blood flow velocity frequency is recorded and analysis.
The change of freduency of the blood flow can provide a clear evidence
of emboli, stenosis, vasospasm from a subarachnoid hemorrhage.
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