There are clearly extra QRS complexes that are of different morphology compared to the QRS complexes with preceding p waves, ie, the sinus beats. The extra QRS complexes are broader and bigger ...
The axis of the ECG is the major direction of the overall electrical activity of the heart. It can be normal, leftward (left axis deviation, or LAD), rightward (right axis deviation, or RAD) or ...
An electrocardiogram is a picture of the electrical conduction of the heart. By examining changes from normal on the ECG, clinicians can identify a multitude of cardiac disease processes. There are ...
Department of Family Medicine, University of Washington, Seattle, Washington, USA Correspondence to Professor Jonathan A Drezner, Department of Family Medicine, University of Washington, P.O. Box ...
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