Maintenance fluids

Maintenance fluid [ml/hr] requirements for ≤10 kg:

Wt / kg	3	5	7	9	10
Active	12	20	28	36	40
Inactive	6	10	14	18	20
Fever	add 10 % for every 1 o Celsius
Hypothermia	deduct 12 % for every 1o Celsius
30 % post OP Cardiac Day 1	4	6	9	12	13
50 % post OP Cardiac Day 2	6	10	14	18	20
Burns	add 4 % for every 1 % burnt (day 1) add 2 % for every 1 % brunt (day 2)

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Maintenance fluid [ml/hr] requirements for ≥11 kg & <20 kg

Wt / kg	11	13	15	17	20
Active	42	46	50	54	60
Inactive	21	23	25	27	30
Fever	add 10 % for every 1 o Celsius
Hypothermia	deduct 12 % for every 1o Celsius
30 % post OP Cardiac Day 1	14	15	17	18	20
50 % post OP Cardiac Day 2	21	23	25	27	30
Burns	add 4 % for every 1 % burnt (day 1) add 2 % for every 1 % brunt (day 2)

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Maintenance fluid [ml/hr] requirements for ≥21 kg:

Wt / kg	21	30	40	50	60
Active	61	70	80	90	100
Inactive	30	35	40	45	50
Fever	add 10 % for every 1 o Celsius
Hypothermia	deduct 12 % for every 1o Celsius
30 % post OP Cardiac Day 1	20	23	27	30	33
50 % post OP Cardiac Day 2	30	35	40	45	50
Burns	add 4 % for every 1 % burnt (day 1) add 2 % for every 1 % brunt (day 2)

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 All Marc’s PICU cardiology FOAM can be found on PICU Doctor and can be downloaded as a handy app for free on iPhone or Android. A list of contributors can be seen here.