Cristi is a very naughty nurse and she has a new victim to experiment on. Nina Kayy is about to wake up to a very scary scene and get her heart checked out in a very new way. She has Nina bound up on the bed and a heart rate monitor is strapped to her chest. Now Cristi will be putting her skills with pleasing women and her medical experiment into one fun day. She watches Ninas heart go up and down as she uses the powerful vibrator on her pussy! There is no way to fake her heart rate as she is getting pleased to climax!