title: ECG of the month. Variations on the common theme of premature atrial complexes. Sinus rhythm with premature atrial complexes (PACs) occurring singly, in couplets, and in triplets.
authors.affiliation: Department of Medicine, Louisiana State University Health Sciences Center, New Orleans, USA.
authors.forename: D Luke
authors.initials: DL
authors.lastname: Glancy
authors.forename: Christopher L
authors.initials: CL
authors.lastname: Daniels
mesh_terms: D000328:Adult; D001146:Arrhythmia, Sinus / Q000175:diagnosis*; D018880:Atrial Premature Complexes / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D006801:Humans; D008297:Male