The nurse in the medical-surgical unit is observing the telemetry monitor for assigned clients. Which client condition change requires immediate notification to the primary healthcare provider (PHCP)? A client

C with atrial fibrillation, whose heart rate decreased from 113 to 95 beats per minute. B recovering from cardiac catheterization and has had two brief runs of ventricular tachycardia (VT). D who has developed sinus tachycardia (ST) following the application of nitroglycerin paste. A with normal sinus rhythm (NSR), who has had three premature ventricular contractions (PVCs) in the past hour.