Glossary of Terms

This glossary of terms has been compiled for your reference. Select the first letter of the word you’re searching for to begin.

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Magnetic Resonance Imaging (MRI), Nuclear Magnetic Resonance (NMR) Imaging

An imaging procedure that uses powerful magnets to look inside the body. Computergenerated pictures can image the heart muscle and evaluate various heart problems. It can outline the affected part of the brain and help define problems created by stroke.

Mitral Valve

The heart valve between the left atrium and left ventricle. It has two flaps (cusps).

Monounsaturated Fats

A type of fat found in many oils but mostly in canola, olive and peanut oil, nuts and avocados.

Mortality

The total number of deaths from a given disease in a population during an interval of time, usually a year.

Myocardial Infarction

The damaging or death of an area of the heart muscle (myocardium) resulting from a blocked blood supply to that area; medical term for a heart attack.

Myocarditis

Inflammation of the heart muscle (myocardium).

Myocardium

The muscular wall of the heart. It contracts to pump blood out of the heart and then relaxes as the heart refills with returning blood.