electrocardiogram: ventricular premature depolarization nonsustained tachycardia (3-6 beats)
electrocardiogram: ventricular premature depolarization nonsustained tachycardia (3-6 beats)
electrocardiogram: ventricular premature depolarization nonsustained tachycardia (3-6 beats) (procedure)
electrocardiogram: ventricular premature depolarization nonsustained tachycardia (3-6 beats) (procedure)