It would be interesting to hear some expert comments on this. PE can be produced by forcing air through the skin into the veins at high pressure. It does not take much, as little as 50-60 psi aimed where teh vessels are close to the surface.. This mechanism has caused some industrial accidents and there are OSHA regulations in this area.
I've been looking into this tonight trying to figure out if there might be ways to cause PE that are not usually seen so may not be recognized by LE or physicians.
Here is a link listing causes of of air embolism:
Air Embolism: Causes, Symptoms, and Diagnosis
It lists 5 potential causes:
1. Injections for air into arteries or veins. A needle injection would leave an injection mark but using compressed air would not
2. Lung trauma
3. Explosions and blast injuries
4. Blowing air into the vagina during oral sex (I did NOT make that up but it could only possibly apply to Tammy)
5. Scuba diving
In scuba diving there are two mechanisms to cause air embolism. The first most people have heard of, the "bends" when nitrogen dissolves in you blood at depth and then forms bubbles if you surface too fast. That would not apply here. The other is a lung over-expansion injury which can occur if you surface without exhaling and the compressed air in your lungs explodes the small air sacs.
I could imagine CAUSING a PE by overexpanding someone's lungs by forcing compressed air in. It does not take much, 30 psi would be enough and that can easily be produced by a tire pump.
Air embolisms can also cause heart attacks (think Joe Ryan)
Air embolisms are rare. Most occur from scuba diving. And yet we have several in close proximity to Chad!
Yes, Tammy did not die of an embolism but there would be plenty of edema associated with lung over expansion.
Very weird if it is all coincidence!