input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A patient presents with palpitations. O/E the patient was conscious, pulse was fast with BP of 80/50 mmHg. He was subjected to Vagal maneuver and was given intravenous adenosine. The rhythm remains refractory to maximum dose of adenosine. What is the next step in management of this patient?   (A) Repeat adenosine   (B) Amiodarone   (C) Defibrillation   (D) Cardioversion
output: ['(D) Cardioversion <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Repeat adenosine  (B) Amiodarone  (C) Defibrillation  (D) Cardioversion <> possible answers', '  A patient presents with palpitations. O/E the patient was conscious, pulse was fast with BP of 80/50 mmHg. He was subjected to Vagal maneuver and was given intravenous adenosine. The rhythm remains refractory to maximum dose of adenosine. What is the next step in management of this patient? <> context']