annacraft.blogg.se - Red cross weight limit blood donation

When a person injures themselves, platelets form a protective barrier at the site of injury to stop the wound from bleeding. The body produces platelets in bone marrow and stores them in the spleen.

Platelets are cells in whole blood that help blood clot. They cannot donate more than three times a year. People can donate power red every 112 days.

if female, be at least 19 years old, be a minimum of 5 feet 5 inches tall, and weigh at least 150 lb.

if male, be at least 17 years old, be a minimum of 5 feet 1 inch tall, and weigh at least 130 lb.

DRCA allows blood bank workers to take two units of power red, the equivalent of two donations, in one sitting. The National Institutes of Health Blood Bank have a process called Double Red Cell Apheresis (DRCA). This process takes out the necessary component from whole blood, sending the rest of the unneeded blood back into the donor’s body. People can donate power red by apheresis. This interval gives the body time to replenish lost blood.

People can donate whole blood every 56 days (8 weeks). Blood banks process whole blood into their different components, as most people in need of a blood transfusion do not require them all. Whole blood consists of red and white blood cells, platelets, and plasma. The donation criteria vary slightly depending on the product. Healthcare providers use four different blood products in transfusions: whole blood, power red, platelets, and AB elite plasma.