 VT2 detection criteria is 169 beats per minute with SVT discrimination on therapy of ATP times 3 followed by 25 joules, followed by 36 joules, followed by 36 joules times 2. 
VT2 detection criteria is 169 beats per minute with SVT discrimination on therapy of ATP times 3 followed by 25 joules , followed by 36 joules , followed by 36 joules times 2 .