Premature ventricular contractions.
Snowberger
P
P
D005117:Cardiac Complexes, Premature / Q000175:diagnosis / Q000209:etiology / Q000451:nursing*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009730:Nursing Assessment; D011300:Preoperative Care