Could It Be Slow V-Tach???

HPI: Middle age male with no significant past medical history presented to the ED with chest pain. Patient was exercising when he developed left-sided chest pain radiating to his left shoulder. Vital signs within normal with initial EKG below:

EKG #1: 

EKG #2:  After a successful life saving intervention was performed, the following EKG was obtained.

Question:   What rhythm is the second EKG and what is the indicated treatment?