Air bubble caught in an artery, is unlikely to kill a man

Air bubble caught in an artery - this is one of the favorite subjects of detective novels. The killer enters the contents of an empty syringe into a vein of the victim, leaving his body is nothing but a tiny prick marks of which is unlikely to notice the local pathologist.

The penetration of an air bubble into the artery, and the overlap of blood flow going to the heart or brain, called air embolism. Air embolism can actually be fatal. If this cardiac embolism, it can cause a heart attack or a dangerous coronary airlock. If embolism in the brain, a stroke can occur. However (Note to potential killers) air bubble is unlikely to kill someone. Firstly, the air must be introduced into a large artery or vein - in the small fail. Secondly, by itself the air bubble must be large enough to be able to completely block the major vessel. According to experts, it is necessary to introduce about 200 milliliters of air to cause someone's sudden death. A small vial of a resolve in the cells of the body.

Standard medical practice requires that before an injection, the doctor will make sure that the syringe is no air bubbles. The same is also related to an IV, which are used during or after surgery. The devices "heart-lung" integrated filters remove all bubbles have arisen by chance. Hospitals follow a simple rule number one - "the air should not be anywhere».

Source: Stephen Juan, «The odd body»

via factroom.ru