This week's ECG case Challenge !

A 57 years man is brought to you to the ER , BP-about &60mmhg, Bibasilar crackles and drowsy . you diagnosed as "ventricular tachycardia"!!! 
www.afghanheart.wordpress.com
1- Now is this patient suitable for targeted EP mapping :substratemappint with EP suit " ?
2- If yes, what should do next ?
3- If not , what is your next step to "map" the V.Tach origin and to tell for surgeon about its localization ?

This week's ECG case challenge !!!