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Arq. bras. cardiol ; Arq. bras. cardiol;57(2): 97-102, ago. 1991. ilus, tab
Article in Portuguese | LILACS | ID: lil-107929

ABSTRACT

Purpose - To evaluate the clinical findings and complementary investigation to support the diagnosis of arrhythmogenic right ventricular dysplasia.Methods - Six males with a mean age of 40 years old with episodes of sustained ventricular tachycardia with left bundle branch block pattern. All patients were submitted to a clinical investigation, EKG X rays and echocardiograms. In five patients an electrophysiologic study was performed. All patients were treated with anti-arrhythmic drugs. Results - Palpitation was the most common complaint. T-wave inversion in leads V1-V3 was present in 4 patients. An epsilon wave was noted in 2 patients. The chest X ray was abnormal in only 1 patient. All patients had an abnormal echocardiogram, with consisted in the dilatation of the outflow tract of the RV and hypocontractility. In 2 patients aneurysm of the basal RV free wall below tricuspid valva were detected. Ventricular post-excitation waves were present in 4 patients. After a mean follow-up of 37 months, 5 patients were asyntomatic with antiarrhythmic drugs and one in therapeutic adjustment. Conclusion - In patients with ventricular tachycardia with left bundle branch block pattern, the diagnosis of arrhythmogenic right ventricular dysplasia was substantiated by echocardiographic data and electrocardiographic findings such a T-wave inversion during sinus rhythm and ventricular post-excitation waves. The results obtained with anti-arrhythmic drugs in our study group, suggest that drug therapy should be the first and best approach to treat patients with this type of pathology


Subject(s)
Tachycardia/diagnosis , Tachycardia/physiopathology , Tachycardia/drug therapy , Echocardiography , Follow-Up Studies , Electrocardiography , Electrophysiology , Anti-Arrhythmia Agents/administration & dosage , Anti-Arrhythmia Agents/therapeutic use , Diagnosis, Differential , Physical Examination , Prognosis , Radiography, Thoracic , Exercise Test , Heart Ventricles/abnormalities
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