The Holter monitor is a type of electrocardiogram (ECG) used to monitor the ECG tracing continuously for a period of 24 hours or longer.
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An ICD monitors the heart's electrical activity and responds with either anti-tachycardia pacing or shock therapy to prevent sudden cardiac arrest.
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The beating of your heart is very organized, taking its cue from a built-in electrical system. A normal heart rate is regular, at 60 to 100 beats per minute. An arrhythmia is any kind of abnormal heartbeat—too fast, too slow, or irregular. This video explains different arrhythmias and what you should do if you have one.
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An exercise imaging stress test shows how well blood flows inside your heart and how well your heart pumps blood. It gives your healthcare provider more information than a non-imaging stress test.
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