How do blood transfusions work Bill Schutt

Dive into the history of the lifesaving procedure of blood transfusions and how it has evolved since the 17th century. In 1881, doctor William Halsted rushed to help his sister Minnie, who was hemorrhaging after childbirth. He quickly inserted a needle into his arm, withdrew his own blood, and transferred it to her. After a few uncertain minutes, she began to recover. What made this blood transfusion successful Bill Schutt explains the history of the lifesaving procedure. Lesson by Bill Schutt, di