Did getting one Venus Legacy treatment make under my chin/neck worse/make permenant damage after I just had lipo? (Photo)

had chin/neck liposculpting 11.22.17 went great Im 2 wks post op dr told me VL treatment was done 1-2 wks post op to make skin tighter, It was SO hot (took 20 min) felt like he was burning my skin off! PAINFUL. also felt zaps like I was getting shocked. He said hotter=better. terrible experience. neck was red for an hr after which was normal.he told me I might get blisters? now I have them or burns under my chin?! i have such a sore neck/bruising/throat hurts. been 2 days(12.5.17) please help :(