Crossmatch. 3. Autocontrol. Major crossmatch is the most important one out of the three. In this step they are looking for …show more content…
Losing blood was thought to be beneficial to people's health.The doctor would open a vein with a sharp piece of wood or a lancet, which is a small two edged surgical knife. The opening of the vein causes blood to flow out of the body and that will in hope get the bad bacteria out of the blood. Bloodletting is considered one of medicine's oldest practices. Bloodletting was the most common practice by surgeons for almost two thousand years. It's thought to have came from Egypt, it then spread to
Greece where Physicians believed that illness comes from having too much blood. In Europe
bloodletting became the minor treatment for many different conditions, the Plague, and smallpox to Epilepsy and Gout. There way of bloodletting was cutting a vein or arteries in the neck or arm, sometimes using a Fleam. Today, bloodletting still happens but only under certain circumstances, or depending on what the surgeons think you might have,
Blood Transfusions
A blood transfusion is a medical procedure that may or may not be life saving. During a