title: Monitoring for ventricular premature beats.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008991:Monitoring, Physiologic / Q000379:methods*; D011379:Prognosis; D013997:Time Factors