Essay on Common Subtype Of Stroke And Ischaemic Stroke

1385 Words Oct 6th, 2014 6 Pages
ANAT1012- Stroke assignment
Katie Hsiao 43565560
Ischaemic stroke

Definition:
The most common subtype of stroke; Ischaemic stroke is triggered by a sudden blood circulation loss to areas of the brain, which corresponds to a loss of neurologic function. This occurs when an artery to the brain is blocked. The two main causes of Ischaemic stroke are thrombosis – when the blood clot is formed within the brain, and embolism – when the clot is formed elsewhere. (The internet stroke center)

(Blood clot deprives the brain of oxygen and important nutrients)

Incidence & risk factors:
Accounting for nearly 88 percent of all type of strokes, Ischaemic stroke is by far the most common (American Heart association, 2014). In Australia, ischaemic stroke is the third most common cause of death and the leading cause of disability. Every year there are 48000 new cases of ischaemic stroke in Australia with 1/3 of the patients passing away in the first 12 months. (Virtual Medical Centre, 2014)
Risk factors for ischaemic stroke includes:
- Age: In Australia, more than 50% of strokes occur in people under 75 years old, while 5% under the age of 45 (Virtual Medical Centre, 2014)
- Sex: Stroke incidence are 1.25 times more prevalent in men than women) (PA wolf, 1992)
- Race: Strokes are more common in African Americans compared to other race groups (The internet stroke center)
- High blood pressure
- Diabetes mellitus
- Cardiac diseases e.g. Atrial fibrillation
- High cholesterol
-…

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