Letter Re: Sucking Chest Wounds and Exsanguination
Hi Mr Rawles, I would like to make a comment on the letter by Walker In The Woods: Sucking Chest Wounds and Exsanguination. Air is sucked through the wound during exhalation and then is trapped, causing pressure. This pressure slowly builds and will eventually cause the pressure to be applied to the heart. This pressure will eventually cause hypoxia and cardiac arrest as the lungs cannot draw in enough oxygen to keep the body going or the heart will be pressed to the point that it cannot function. The physiology is that the resistance to air ingress is much less …