An electrocardiogram (ECG or EKG) is a test to evaluate the
electrical activity of the heart. A resting ECG is often performed
in the doctor's office as part of a routine physical. It takes about
10 minutes and provides some basic information about the heart such
as presence of unusual rhythms, electrolyte imbalance, enlargement
of the heart chambers, or evidence of a prior heart attack. The
resting ECG is not good at predicting future problems, only
obtaining information about past or current conditions.
• Adhesive electrodes are attached to the chest, arms and legs.
• A heart monitor detects and measures electrical impulses, which
are recorded graphically on a continuous strip of paper.
• The physician then interprets the record.
• This is a non-invasive test with virtually no risks or discomfort
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