Question 1

reason for st segment elevation in myocardial infarction?

Accepted Answer

Electrical: A heart attack damages muscles in the heart.  The flow of the electrical current throughout the wall changes when having to go around the damaged muscle, resulting in certain ekg changes,  since ekg's show the path of electrical current in the heart.  There are different changes, de[ending on which part of the muscle is damaged.

Question 2

myocardial infarction causes?

Accepted Answer

Many poss causes: Almost all heart attacks are the result of fatty deposits on the inside of arteries that break open and cause clotting which will blocks the artery (and the blood from flowing to the part of the heart the artery feeds).  Family history, fatty diet, smoking, high blood pressure, diabetes and other disorders can all contribute to this process.

Question 3

what is causes of myocardial infarction in young?

Accepted Answer

Variable: A congenital anomaly of one or  more heart( coronary arteries) vessels
high blood pressure
high cholesterol
high triglycerides
smoking
depends on what you mean as young?

Cocaine abuse is a problem.

Question 4

what can cause a myocardial infarction at age 30?

Accepted Answer

Smoking: Common: tobacco use. Cocaine. Diabetes. Very rare: kowasaki disease, polyarteritis nodosa, systemic lupus.

Question 5

is myocardial infarction caused by an infection?

Accepted Answer

No: Well i shouldn't be so definite. Who would have thought that ulcers would be caused by infection. There has been noted to be an increase in heart attacks related to certain infections including those involving the gums, so the cause and effect question has been raised. It has been suggested that inflammation plays a role. But at this time i think most doubt the cause and effect relationship.

Question 6

how does hypertension cause myocardial infarction?

Accepted Answer

Work of heart: Too high of a pressure increases heart work and aggravates coronary disease or muscle dysfunction.

Question 7

is a myocardial infarction caused by atherosclerosis?

Accepted Answer

Atherosclerosis: Rupture of an atherosclotic plaque is considered a leading cause of myocardial infarction.

Question 8

i have a question about myocardial infarction: is it caused by atherosclerosis?

Accepted Answer

Atherosclerosis MI: Atherosclerosis-hardening of the arteries due to cholesterol plaque buildup - the plaques are made up of fat, collagen, muscle cells and blood cells. The plaques rupture - lead to clot formation - thereby clogging the arteries. Decreasing blood supply to heart muscle.

Question 9

does ischemia or thrombosis cause  myocardial infarction?

Accepted Answer

Ischemia vs MI: Cholesterol plaque develops in the heart arteries. Progressive narrowing - usually greater than 70% - can lead to lack of blood flow to the heart muscle during exercise or rest and causes angina or ischemia. Myocardial infarction is due to the rupture of a plaque which causes a blood clot to form (thrombosis) in the artery blocking blood flow to that area of the heart muscle which then dies.

Question 10

any reason why are heparin and aspirin given together after a myocardial infarction?

Accepted Answer

Double coverage: Heparin is used to block new blood clot formation. Aspirin is used to block platelet aggregation, which can lead to sudden artery blockage and another myocardial infarction. Aspirin is continued long- term.

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Reason for st segment elevation in myocardial infarction?

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Myocardial infarction causes?

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What is causes of myocardial infarction in young?

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What can cause a myocardial infarction at age 30?

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Is myocardial infarction caused by an infection?

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How does hypertension cause myocardial infarction?

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Is a myocardial infarction caused by atherosclerosis?

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I have a question about myocardial infarction: is it caused by atherosclerosis?

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Does ischemia or thrombosis cause myocardial infarction?

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Any reason why are heparin and aspirin given together after a myocardial infarction?

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