Goradia et al prepared a dose equivalence table for inoptropic agents and equation for determine norepinephrine equivalents. The authors are from the University of Sydney and Royal Prince Alfred Hospital in New South Wales.
Vasopressor
Dose
norepinephrine
0.1 µg/kg/min
epinephrine
0.1 µg/kg/min
dopamine
10 µg/kg/min
phenylephrine
1 µg/kg/min
metaraminol
0.8 µg/kg/min
vasopressin
0.4 units/min
angiotensin II
0.01 µg/kg/min
norepinephrine equivalent dose in µg/kg/min =
= (dose of norepinephrine) ) + (dose of epinephrine) + (0.01 * (dose of dopamine)) + (0.1 * (dose of phenylephrine)) + (0.125 * (dose of metaraminol)) + (2.5 * (dose of vasopressin)) + (10 * (dose of angiotensin II))
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