See below: Sinus tachy with artifact is a normal but fast rhythm; >100,with externally caused variations in the appearance of the tracing caused by body movement, poor electrode contact or external electrical interference. Sin. tachycardia with PVC is normal but fast rhythm,>100, & a premature ventricular contraction, PVC,;, which is an abnormal early heart beat originating in one of the ventricles.
Answered 6/23/2017
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