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Heart Attack
Heart attack or myocardial infarction is caused
due to coronary artery blockage.
Coronary arteries are the blood vessels which
supply the heart with oxygen and nutrition.
Over time the inside of these arteries develop
fibro-fatty plaques of different sizes.
These Plaques are made of cholesterol and other
substances floating through the bloodstream such
as inflammatory cells, proteins and calcium
Many of the plaque deposits are hard on the
outside and soft on the inside.
The hard surface can crack or tear exposing the
soft fatty inside.
When this happens platelets come to the area and
blood clots form around the plaque.
The artery narrows further and in turn there is
less room for blood to flow through the arteries.
Finally, this results in the occlusion of the
coronary arteries resulting in the death of the
surrounding heart muscles.
The patient experiences tightness, heaviness or
constriction in the chest |
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