This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acute coronary syndrome, Subject name: Medicine
A patient becomes pulseless and his BP crashes after myocardial infarction. Diagnosis is? 
Select and explain. 
A. Monomorphic ventricular tachycardia, B. Bidirectional tachycardia, C. Polymorphic ventricular tachycardia, D. Ventricular fibrillation
A: Monomorphic ventricular tachycardia
Answer: A: Monomorphic ventricular tachycardia 
Explanation: The hea rate is 250 bpm and broad complex QRS is seen in all leads. The patient has Ventricular Tachycardia Needs a DC shock of 200 J biphasic.