ECG
Alternate Names : EKG, Electrocardiogram
What do the test results mean?
Normal results include the following:
a heart rate that is between 50 and 100 beats per second
a consistent and even rhythm
a pattern on the graph that corresponds to pattern profiles established for healthy people
Abnormal results can come from any of the following:
a muscle defect
an enlargement of the heart
defects from birth
heart-valve disease
abnormal rhythms (or arrhythmias including tachycardia, a heartbeat that is too fast, or bradycardia, a heartbeat that is too slow)
coronary artery disease
an inflammation of the heart
an altered electrolyte balance (including potassium or sodium abnormalities)
a past heart attack, one that is happening at the moment, or one that is about to happen
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