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Holter and event monitors are small, portable electrocardiogram devices that record your heart’s electrical activity for long periods of time while you do your normal activities. These monitors can record how fast your heart is beating, whether the rhythm of your heartbeats is steady or irregular, and the strength and timing of the electrical impulses passing through each part of your heart.

Heart transplant is surgery that removes a diseased heart and replaces it with a healthy heart from a deceased donor to improve your quality of life and increase your lifespan. Most heart transplants are done on patients who have end-stage heart failure, a condition in which your heart is severely damaged or weakened, and on people who have failed other treatment options.

Palpitations are feelings that your heart is skipping a beat, fluttering, pounding, or beating too hard or too fast. You may feel palpitations in your chest, throat, or neck during activity or when you are sitting still or lying down.

A heart murmur is an unusual sound heard between heartbeats. Murmurs sometimes sound like a whooshing or swishing noise. Murmurs may be harmless, also called innocent, or abnormal.

An electrocardiogram, also called an ECG or EKG, is a simple, painless test that detects and records your heart’s electrical activity. An EKG can show how fast your heart is beating, whether the rhythm of your heartbeats is steady or irregular, and the strength and timing of the electrical impulses passing through each part of your heart.

CPAP is a treatment that uses mild air pressure to keep your breathing airways open. It involves using a CPAP machine that includes a mask or other device that fits over your nose or your nose and mouth, straps to position the mask, a tube that connects the mask to the machine’s motor, and a motor that blows air into the tube.

A cough is your body’s natural reflex to help clear your airways of irritants and prevent infection.

A coronary calcium scan is a CT scan of your heart that detects and measures the amount of calcium in the walls of your coronary arteries.

Coronary angiography is a procedure that uses contrast dye, usually containing iodine, and x ray pictures to detect blockages in the coronary arteries that are caused by plaque buildup.

A chest x ray is a fast and painless imaging test that uses certain electromagnetic waves to create pictures of the structures in and around your chest.

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