This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Medicine
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? 
Select and explain. 
A. Intravenous ibutilide, B. DC Cardioversion, C. Intravenous Diltiazem, D. Intravenous Flecainide
B: DC Cardioversion
Answer: B: DC Cardioversion 
Explanation: 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.