Blood Loss/Fluid Maintenance

Question 1

Estimated Blood Volume

Premature Infant

Answer 1

95 mL/Kg

Question 2

Estimated Blood Volume

Full-term Infant

Answer 2

85 ml/kg

Question 3

Estimated Blood Volume

Infant to 12 months

Answer 3

80 ml/kg

Question 4

Estimated Blood Volume

Adult/Child (male)

Answer 4

75 ml/kg

Question 5

Estimated Blood Volume

Adult/Child (Female)

Answer 5

65 ml/kg

Question 6

Estimated Blood Volume

Mobidly Obese BMI > 40

Answer 6

60 ml/kg

Question 7

Allowable Blood Loss Formula

Answer 7

(Initial HCT - Final HCT x EBV) / Initial HCT

Question 8

What percentage do we want to see the Allowable blood loss to be?

Answer 8

30 %

Question 9

Fluid Replacement Equivalent

Crystalloid

Answer 9

3 mL/ 1 mL EBL

Question 10

Estimated Blood Volume

Colloids

Answer 10

1 mL/ 1 mL EBL

Question 11

Estimated Blood Volume

Whole Blood

Answer 11

1 mL/ 1 mL EBL

Question 12

Estimated Blood Volume

PRBC

Answer 12

0.5 mL/ 1 mL EBL

Question 13

What is the HCT percentage in PRBC?

Answer 13

70%

Question 14

How many mL are in a fully soaked 4 x 4 guaze pad?

Answer 14

10 mL EBL

Question 15

How many mL are in a fully soaked “lap” sponge?

Answer 15

100 - 150 mL EBL

Question 16

Fluid Maintenance

4 - 2- 1 Role for Fluid Replacement

Answer 16

• 4 ml/kg/hr for first10 kgs
• 2 ml/kg/hr next 10 kgs
• 1 ml/kg/hr for every kg > 20kgs

Question 17

Calculate NPO Deficit

Answer 17

Maintenance Rate x # hours NPO

Question 18

Minimal Evaporative Loss

Answer 18

0.2 ml/kg/hr

Question 19

Moderate Evaporative Loss

Answer 19

2 - 4 mL/kg/hr

Question 20

Severe Evaporative Loss

Answer 20

4 - 8 ml/kg/hr