Many possibilities: Ekg can help diagnose heart attacks, rapid or slow heart beats, abnormalities of the conduction system that synchronizes the heartbeat, thickening of the heart muscle, certain chemical abnormalities or medication overdoses in the blood, disease of the pericardium, and many other conditions. Even strokes, lung, thyroid, and other non-cardiac diseases can affect the ekg.
Answered 11/27/2017
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