Dog Bloat

I'm staying with a friend who has a pitt bull.  I was told not to wrestle with it after it eats, because of dog bloat.  The stomach of some kinds of dogs (deep-chested) can actually be twisted and turned around, causing all manner of harmful effects.  I was very skeptical until I read about it myself.  It's apparently the second leading killer of dogs after cancer.  I had a german shepherd for a few years growing up (another deep-chested dog) and had no idea about this.  It seems like it should be better known.  It actually killed one of my host's dogs a few years ago.  The scariest part is that they can die within an hour.