Ambulance Driver will be presenting his awesome Shooter Self-Care class at the NRA Annual Meeting again this year. If you're going to be in Nashville, you should definitely think about attending.
If you've been to three or five shooting classes and have never been to a class on immediate treatment for a gunshot wound, I would submit that you're doing it wrong. If you're carrying around a "blowout kit" in your range bag and have never taken a class on how to use the contents, you're doing it wrong.
And don't mistake my meaning: I don't recommend this kind of training so you can patch yourself up after the big gun battle with ninjas you're likely never going to have; I recommend a shooter self-care class because if you carry a loaded gun every day or participate in action pistol sports, the most likely person to put a bullet hole in you is you. You want to know what to do if that happens.