EKG Drill Answer
This is Premature Ventricular Complex. Look for rhythm that is irregular, with heart rate that is the underlying rate. Notice that the P wave is absent. The PR interval is not measurable. The QRS is typically wide (> 0.10 sec), bizarre appearance. Two PVCs together are termed a couplet while three PVCs in a row with a fast rhythm is ventricular tachycardia.