This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
An elderly man develops syncope. He is known to have IHD. Peripheral pulses are absent, BP is not recordable and ECG reveals wide complex tachycardia. Immediate management consists of which of the following? 
Select and explain. 
A. Thrombolysis with tissue plasminogen activator, B. A bolus dose of lidocaine, C. DC cardioversion, D. IV phenylephrine and carotid sinus pressure
C: DC cardioversion
Answer: C: DC cardioversion 
Explanation: None