ECG of the Week - 7th July 2014

This week's ECG comes from the same patient as last weeks case (ECG of the Week - 30th June). You'll remember we had a 70yr old male who presented with chest pain, palpitations and hypotension. He underwent DC cardioversion and this is his post cardioversion ECG.

Click to enlarge

VAQ Corner

A 70yr old male presents to your Emergency Department with chest pain and palpitations.
He has been electrically cardioverted for a wide complex tachycardia.
This is his post cardioversion ECG.

Describe & interpret his ECG (50%)
Outline any further investigation you would consider (50%)