<prompt> A person was brought to emergency depament and was diagnosed with Supra ventricular tachycardia and suddenly he became unstable. What is the next line of management?Intravenous ibutilideDC CardioversionIntravenous DiltiazemIntravenous Flecainide  <response>: Here in the question vital are unstable. So the best therapy will be DC cardioversion. Treatment for Supra Ventricular tachycardia: Amiodarone forstablepatients DC Cardioversion forunstablepatients. 