Ouch! I’ve just given myself a paper cut!
*Utters a string of expletives that would make a pirate blush*
As I apply pressure to my haemorrhaging war wound, I notice that the bleeding slows down to a stop. That is because my body is able to clot at the site of this small injury according to the physiology of the clotting cascade. However, it would be a different situation if I was in a horror movie and had my arm chewed off by zombies! I would now be experiencing a massive loss of blood that would result in the need for a massive blood transfusion. The internal processes of the body to clot may not be sufficient in the setting of a massive haemorrhage, and so it will need the help of some friends in the form of other blood products to help stop the bleeding.
*Cue the Rocky theme song as I battle through a horde of zombies with one arm to find an abandoned hospital, with a fully functional blood fridge, to initiate a massive blood transfusion protocol* Continue reading