Interesting case of Ventricular Tachycardia in Adolescent

A 17 years old boy presented to our emergency department (ED) with the history of sudden onset of palpitation associated with the lightheadedness of 20 minutes duration. He has similar two episodes in the last 1 year, requiring hospitalization. No family history of sudden cardiac death. His general physical examination was normal.

His vitals PR-180 bpm, regular and BP- 90/60 mm Hg. His cardiovascular examination was normal. His electrocardiogram (ECG) showed wide complex regulartachycardia – Left bundle branch block (LBBB) morphology with superior axis suggestive of right ventricular (RV) origin. He was cardioverted with 200 J biphasic shock in the ED. His hemogram parameters, renal function test, liver function test, complete electrolytes panel and arterial blood gas analysis were normal.

ECG showed monomorphic LBBB morphology ventricular tachycardia with superior axissuggestive of RV origin.