Electrocardiogram or ECG is one kind of medical test to diagnose any issue with the electrical activity of the patient's heart. ECG helps render the electrical activity of the heart on paper in the form of line tracings. The line tracings have spikes and plunges, which are called waves.
from Health-and-Fitness Articles from EzineArticles.com http://ift.tt/1AzRoVf
from Health-and-Fitness Articles from EzineArticles.com http://ift.tt/1AzRoVf
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