Dilutional Thrombocytopenia
	n thrombocytopenia is the most common haemostatic abnormality during and after massive transfusion n microvascular bleeding eg oozing from mucosa, wounds & puncture sites n platelet count of 50 x 109/L during active bleeding should be sufficient for normal haemostasis provided platelet function intact. count of 50 x 109/L  expected when red cell concentrates equivalent to 2 blood volumes transfused. However, marked individual variation.