As I have noted before Harry is a breath holder. He has impressive temper tantrums where he will hold his breath and pass out. These generally happen when he is over tired or needs to eat but sometimes he does it just because he is just a little stinker that wants his own way.
Today at his doctor's appointment he got whipped up into a frenzy because Evan was upset at being in the place where shots are given. While Evan was getting ready to have his Synagis shot Harry keeled over much to the pediatrician's surprise. He apparently had never witnessed a breath holding incident before and was a bit worried that my heart healthy Harry was turning blue and twitching a bit on his floor. I had to assure him that this was something that happened quite frequently and that the only thing to be done was let it run it's course and Harry would be over it pretty soon. Normally I try and sit or lay Harry down when a spell is happening but I had not noticed that he was about to pass out since I was busy with Evan.
I did a bit of searching and found a few places where Harry's spells are described pretty accurately. Harry has the cyanotic version of the breath holding spells. Apparently only 5% of kids exhibit the breath holding behavior. It really is nice to know that I have such special kids. The good news is that it is very likely he will out grow this by the time he is five.
Below is some video of Harry in action. This was not a full on episode as he really recovered quite quickly. The background voice is my sister, her camera took much better video than my elderly camera was able to.