title: Ventricular tachycardia--an unusual presenting symptom of scleroderma.
mesh_terms: D001706:Biopsy; D002114:Calcinosis / Q000000981:diagnostic imaging; D004562:Electrocardiography; D005385:Fingers / Q000000981:diagnostic imaging; D006352:Heart Ventricles; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008875:Middle Aged; D011433:Propranolol / Q000008:administration & dosage / Q000627:therapeutic use; D011859:Radiography; D012594:Scleroderma, Localized / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology; D012867:Skin / Q000473:pathology; D013610:Tachycardia / Q000150:complications* / Q000188:drug therapy
chemical_list: D011433:Propranolol