title: ECG of the month. Freedom of expression. Intermittent ventricular parasystole.
authors.affiliation: Dept of Medicine, Texas Tech Regional Academic Health Center, El Paso.
authors.forename: J I
authors.initials: JI
authors.lastname: Martinez-Lopez
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000503:physiopathology; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D013599:Systole