Other mistake: The second '15 second countdown' with Jill Tracy, just after she's been to the toilet, actually lasts 24 seconds. They slowed it down to fit more dialogue in.
Other mistake: In the last shot of the final scene, when JD and Elliot start down the wheelchair ramp outside of the hospital, an "extra" woman walks right in front of them. She was nowhere to be found in front of JD and Elliot before they started walking - she simply appears in front of them and walks down to some paramedics holding a stretcher.
My Screw Up - S3-E14
Other mistake: Ben snaps the shutter twice on his camera, With out taking out the print from the first snap. So the picture he's holding of J.D. in the bushes should have been a double exposure. (00:02:30 - 00:03:00)
My Choosiest Choice of All - S3-E19
Other mistake: When Carla goes to inject Irv with the syringe, she doesn't push the plunger down, but Irv still falls unconscious.
Answer: No, it was a fake, they used a stamp.
It is real.