What Causes Pain From Groin To Leg After A Cardiac Arrest?

h/o 2 mi 1 cardiac arrest vtach. i have has progressively worse leg pain coming from the groin area, feels like someone is twisting the top of my thigh muscle around my hip/buttock area. been to 3 docs no answers yet . im thinking 1 of 2 things. some kind of ischemia or damage from the 4 caths that i had. pain is crippling at this point. ready to jump off a bridge. 40 y/o female 190 lbs. any advice???? it doesnt just hurt it is unbearable. i have tried exercise heat ice any and all pain meds herbal meds nerve meds (lyrica) at a loss and desperATE