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How many platelets are in one unit of blood?

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By one unit…if you mean in volume…then the platelet count will be 1.5–4 lakh/100 ml of blood. read more

Whole blood derived platelets should contain a minimum of 5.5 x 1010 platelets per unit with an overall volume of around 50 mL. Apheresis platelets should contain a minimum of 3 x 1011 platelets per unit with an overall volume around 300 mL. Transfused platelets have an expected life-span of 3-4 days. read more

Whole blood can be separated into other components as well, such as platelets and red blood cells. Blood transfusion can be performed using a combination of red blood cells, platelets, and plasma. Total volume for each unit is around one pint, in a range of 450 ml to 525 ml. read more

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