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Prevalence of ventricular and supraventricular arrhythmias on 24‐hour ambulatory (Holter) ECG recording in 178 patients with HCM. PVC = premature ventricular complex; NSVT = nonsustained ventricular tachycardia; SVT = supraventricular tachycardia. (Reproduced with permission of American College of Cardiology; from Adabag et al., J Am Coll Cardiol 2005;45:697–704.)
