Glossary/General Cardiology

Myocardium.

The muscular middle layer of the heart wall responsible for contraction and pumping blood. Damage to the myocardium from a heart attack is called myocardial infarction. Heart failure results when the myocardium becomes too weak or stiff.

Definition

What is myocardium?

The muscular middle layer of the heart wall responsible for contraction and pumping blood. Damage to the myocardium from a heart attack is called myocardial infarction. Heart failure results when the myocardium becomes too weak or stiff.

Related Terms

Related glossary terms.

Myocardial Infarction
Commonly known as a heart attack. Occurs when blood flow to a section of heart muscle is blocked ...
Cardiomyopathy
A disease of the heart muscle that makes it harder for the heart to pump blood. Types include dil...
Heart Failure
A chronic condition in which the heart cannot pump blood efficiently enough to meet the body's ne...
Endocardium
The smooth inner lining of the heart chambers and valves. Infection of the endocardium (endocardi...
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