<prompt> Features in our of ventricular tachycardia are all the following exceptAV dissociationCapturefusion beatGood response to carotid sinus massageA history of myocardial infarction  <response>: Features in our of ventricular tachycardia are the DD of broad complex tachycardia : History of Myocardial Infarction AV dissociation pathognomonic Capturefusion beats pathognomonic Extreme left axis detion Very broad QRS complexes No response to carotid sinus massage or IV adenosine Ref - Harrison;s internal medicine 20e pg1750 