Blood transfusions swhs

-Blood transfusions have been going on for a long time, there have been many successful transfusions and many failed attempts. This was because people did not understand or know of blood groups. No-one had discovered them and this was the problem of the failures. The first successful blood transfusion recorded was performed by British physician Richard Lower in 1665 when he bled a dog almost to death and then revived the animal by transfusing blood from another dog via a tied artery. Since then there have been many patients whose bodies have rejected the blood given to them, meaning they died. Doctors have given other animals' blood to patients in an attempt to save their life. This had been going on for a long time until a man named Karl Landsteiner discovered the blood groups.

In 1901, Karl Landsteiner, an Austrian physician, discovered the first…