Symptoms. Related dementias share some common symptoms. Vascular changes that start in brain areas that play a key role in storing and retrieving information may cause memory loss that looks very much like Alzheimer's disease.
Rh is short for Rhesus factor. Rhesus factor is a type of antigen present on the surface of red blood cells. If you have have this particular antigen, you are Rh positive. If you donât, youâre Rh negative. The Rh factor is important in determining blood type for transfusions. Normally Your immune system protects against potentially harmful substances (antigens). When foreign antigens enter your body, your immune system makes antibodies to help destroy them.
Rh Factor: A protein that can be present on the surface of red blood cells. Rh Immunoglobulin (RhIg): A substance given to prevent an Rh-negative personâs antibody response to Rh-positive blood cells. Transfusion: Direct injection of blood, plasma, or platelets into the bloodstream.