Keywords: انتقال خون وریدی; Médicaments antiplaquettaires; Clopidogrel; Prasugrel; Aspirine; Ticagrelor; Transfusion plaquettaire; Hémorragie; Antidote; P2Y12; Antiplatelet agents; Clopidogrel; Prasugrel; Aspirine; Ticagrelor; Platelet transfusion; Bleeding; Antidote; P2Y12;