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I've bee thinking about this and now I've got myself about 98% determined that 10-15 seconds is about 3 times too long for BP being @ 0. I was pretty involved in Judo and no-gi grappling before my time in the Army, and anyone else who has been into these sports for more than a few months has heard of or felt a '4 second choke.' The arm or leg triangle that pops your eyes out of your head and makes you go limp and see stars within the first 2 or 3 seconds. Thats with the carotids partially blocked off and very little pressure on the cervical arteries since they are mostly protected from the pressure by the spine. So I would be willing to bet that having a couple of holes(or a large tear, whatever) in the artery that supplies both of these sources with blood to the brain would have more rapid effects. This leads me to believe, in my own mind(which is the place where I am most often correct), that blowing out someone's aorta or right ventricle would cause sub-5 second (maximum) unconcsiousness. I'm probably wrong, but convince me.
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