The given statement tissues damaged by myocardial infarction are replaced by fibrous connective tissues holds True
Myocardial infarction (MI), also referred to as a "heart attack," is brought on by a partial or total cessation of blood flow to the myocardium.
Myocardium is the name given to the muscles of the heart.
Infarction is formed when the tissue gets damaged due to insufficient blood supply. It is usually termed as the dead tissue with necrotic changes.
As the necrotic tissue heals it gets replaced by the fibrous connective tissue leading to scar tissue formation and reducing the contractility of the heart.
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