Lectures and discussions about Retrograde Autologous Priming RAPP, On-Pump Ultrafiltration, Blood Transfusion Management, and Alarm Desensitization. Retrograde autologous priming in cardiopulmonary bypass in adult patients: effect on blood transfusion and hemodilution. Optimizing Hemoglobin HGB; Hemoglobin values before and after cardiopulmonary bypass