Brian Leber MDCM FRCPC


Donating Blood

What is blood donation? Blood donation is giving some of your blood so that it can be used to help someone else. Donated blood helps people who have lost blood in an accident or who have an illness such as cancer, anemia, sickle cell disease, or hemophilia. Donated blood includes red blood cells and the other things…

Immune Thrombocytopenic Purpura (ITP)

Immune thrombocytopenic purpura (ITP) is an immune disorder in which the body attacks the cells responsible for blood clotting (platelets), resulting in bleeding. The cause of ITP is not known. People who have this disorder may have bruises or black-and-blue marks (purpura) on the skin. Internal bleeding is a more…

Blood Type

Human blood is typed according to whether certain markers, called antigens, are present on the surface of red blood cells. The ABO system classifies blood as type A, B, AB, or O based on the presence or absence of the A and B antigens; the Rh system classifies blood as negative or positive based on the presence or…

Blood Transfusions: Should I Bank Blood Before Surgery?

Guides through decision to bank blood before having surgery. Explains how banking blood before surgery can protect from a bad reaction to a blood transfusion. Covers benefits and risks. Includes an interactive tool to help you make your decision.

Acquired Von Willebrand’s Disease

Acquired von Willebrand disease is a rare bleeding disorder that might be caused by other medical problems or medicines. It prevents blood from clotting properly. It is rarer than the inherited form of von Willebrand disease. Medical problems that might cause acquired von Willebrand disease include: Lymph disorders…