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Electrocardiogram (ECG)

An electrocardiogram (ECG) is a simple test that traces the electrical activity of your heart. During an ECG, you lie flat on a table, connected to an ECG machine with wires taped to your chest, arms, and legs. The test is painless and takes only a few minutes. The ECG produces a printout that doctors can examine to diagnose arrhythmias or other types of heart disease.

 

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