Modern medicine often uses only the specific part of the blood a patient needs rather than "whole blood". Blood transfusion - Mayo Clinic
Transfusions are primarily used to replace blood lost due to injury or surgery, or to treat medical conditions that affect blood production. Common reasons include: Transfusion
: A condition where the body lacks enough healthy red blood cells to carry oxygen to tissues. Modern medicine often uses only the specific part
: From major trauma, car accidents, or complicated surgeries. sickle cell disease
: Conditions like kidney disease, sickle cell disease, or liver failure can disrupt normal blood production or function. Common Blood Components