title: Paroxysmal tachycardia and bundle-branch block: unsual response to carotid sinus massage.
mesh_terms: D002037:Bundle-Branch Block / Q000209:etiology* / Q000628:therapy; D002346:Carotid Sinus; D004562:Electrocardiography; D006336:Heart Massage; D006801:Humans; D008297:Male; D008875:Middle Aged; D013614:Tachycardia, Paroxysmal / Q000150:complications*