title: ECG of the month. Spinning around. Narrow QRS tachycardia.
authors.affiliation: Dept of Medicine, Texas Tech University Health Sciences Center, El Paso.
authors.forename: J I
authors.initials: JI
authors.lastname: Martinez-Lopez
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006801:Humans; D008297:Male; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000175:diagnosis*