I just had all my wisdom teeth removed. Before being injected with the novocaine, I attempted to see how low I could get my pulse. I guess I did an ok job, hovering around the mid 60s, especially since I was freaking out a little.
The whole procedure took 45 mins, with three straight pulls and one impacted (soft flesh, so it hadn't come right through yet). I remember the dentist saying "now you're going to feel good", and then after that, being wheelchaired out to the car.
Here is my tribute song to the moment: