Harry, age 54, comes to your office with waxing and waning ischemic symptoms over a period of days and weeks, an increase in angina while at rest, and transient ST changes on his electrocardiogram. This presentation leads you to believe that he is experiencing:

A. a stroke. B. a myocardial infarction. C. stable angina. D. unstable angina.

The correct answer is B) A Myocardial Infarction.                                                                                               

Explanation:

Myocardial infarction (MI) is also known as a heart attack.

It occurs when blood flow decreases or stops to a part of the heart, causing damage to the heart muscle.

The most common symptom is chest pain (angina) or discomfort which may travel into the shoulder, arm, back, neck or jaw.

Coronary heart diseases (CHD) occurs primarily in patients above the age of 40. Younger men and women can be affected too.

Cheers!

b) the heart is a pump made of muscle and that is difficult to grow in the lab.

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