title: Electrocardiogram of the month: endocardial mapping of a para-Hisian PVC.
mesh_terms: D006328:Cardiac Catheterization; D004562:Electrocardiography / Q000379:methods*; D004699:Endocardium; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000175:diagnosis*