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Echocardiogram is a non-invasive, painless test that uses ultrasound (high-frequency sound waves) to produce an image of the heart.
An electrocardiogram, also called EKG or ECG, is a simple test that can show if there is damage to the heart or arteries by recording the electrical activity of the heart.
Endocardium is the thin membrane that lines the inside of the heart. The heart has three layers, the endocardium (inner layer), myocardium (middle layer), and epicardium (outer layer).
Energy expenditure refers to the amount of energy, measured in calories, that a person uses. Calories are used by people to breathe, circulate blood, digest food, maintain posture, and be physically active.
Epicardium is the outer layer of the heart. The heart has three layers, the endocardium (inner layer), myocardium (middle layer), and epicardium (outer layer).
Erectile dysfunction is the persistent physical inability of a man's body to achieve and/or maintain an erection sufficient enough to have sexual intercourse even when there is the desire and stimulation to do so. Also referred to as ED or impotence.