Questions and Answers about Coronavirus

Medical Services

Transfusion medicine

Blood Component

Adult

Pediatric

Estimated Volume

Duration

Effect
(Non-bleeding 70 kg adult)

Dose, rate Max dose and/or max rate

All, first 15 minutes

100 mL/hr

2 mL/kg/hr

Do not exceed 100 mL/hr

Red Blood Cells

350mL

1 ½ -4 hrs

One unit will increase hematocrit by approximately 3% or hemoglobin by
1gm/dL.

2-5 ml/kg/hr

不超过300毫升/小时

Plasma

200-250mL

30-60 min. (max 4 hrs)

One unit increases clotting factors approximately 2-5%.

4-8 ml/kg/hr

Platelets

250-350mL

1 hour

One apheresis or a pool of 4 units will increase platelet count by approximately 30,000 –
60,000.

4-8 ml/kg/hr

Cryoprecipitate

90-120mL

15-30 min.

One pool (5-6 units) increases fibrinogen count approximately
50mg/dL.

4-8 ml/kg/hr

Granulocytes

220-450mL

1-2 hrs.

Dose: 10-20mL/kg

Rate: 5-10 mL/kg/hr

Max Dose: 20 mL/kg Max Rate: 10 mL/kg/hr

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