Transfusion calculator

blood derivative dose
whole blood 12- 20 ml/ every kilogram of body mass
red blood cells concentrate 6-10 ml/ every kilogram of body mass
plasma 6-10 ml/ every kilogram of body mass
cryoprecipitate 20 ml (1 unit)/ every 10 kilograms of body mass

Suitable conversion rate of administering of whole blood is a " rule of three ones"

1 ml of whole blood given per 1 pound (453 g) of body mass rises the value of haematocrit of 1%, what means that
2.2 ml of whole blood causes the value of haematocrit rise of 1%.

Speed of blood derivatives administration

whole blood 3-4 ml/ every kilogram of body mass/ hour
red blood cells concentrate 4-6 ml/ minute
plasma 4-6 ml/ minute
cryoprecipitate 4-6 ml/ minute

The average speed of blood derivatives administration is 1 drop/ per one second, what corresponds with the speed of 3 ml/ minute

RED BLOOD CELLS CONCENTRATE - can be administered according
to the following table:

kg \ Ht 10 12,5 15 17,5 20 22,5 25  
2,5 40 35 30 25 20 15 10 ml
5 80 70 60 50 40 30 20 ml
10 0,75 0,75 0,5 0,5 0,5 0,25 0,25 unit
15 1 1 1 0,75 0,5 0,5 0,5 unit
20 1,5 1,5 1 1 0,75 0,5 0,5 unit
25 2 2 1,5 1 1 0,75 0,5 unit
30 2,5 2 2 1,5 1 1 0,5 unit
35 3 2,5 2 1,5 1,5 1 0,75 unit
40 3 3 2,5 2 1,5 1 0,75 unit
45 3,5 3 2,5 2 2 1,5 1 unit
50 4 3,5 3 2,5 2 1,5 1 unit
60 5 4 3,5 3 2,5 2 1 unit
70 5,5 5 4 3,5 3 2 1,5 unit

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