title: EKG of the month: Accelerated idioventricular rhythm with a "fusion" beat and premature ventricular contraction.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D005117:Cardiac Complexes, Premature / Q000175:diagnosis*; D004562:Electrocardiography; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged