When incompatible blood is given, antibodies and complement in the recipient plasma attack the antigens on the donor RBC. Hemolysis ensues The antigen-antibody complex activate the Hageman factor (factor XII), which acts on the kinin system to produce bradykinin
Three years. The month and year of expiration is reflected on the individual packets and the outside of the box directly under the âDrug Factsâ section. Due to the high demand, all of our saline has been purchased long before it approaches expiration. more.
Why do my AED electrode pads expire? AED electrode pads are comprised of an adhesive gel and tin. Once they exceed their expiration date, they may not be able to function properly or will lose their ability to âstickâ to a victim. Manufacturers cannot guarantee that the pads will function past their expiration date.