Tuesday, March 12, 2019

Vasopressin in ICU

Vasopressin (arginine-vasopressin) Pitressin, Vasostrict

0.03 units per minute (alternatively 0.01 to 0.03 units/minute initially) 0.03 to 0.04 units per minute (not titrated)
0.04 to 0.07 units/minute;

Doses >0.04 units/minute can cause cardiac ischemia and should be reserved for salvage therapy

Add-on to norepinephrine to raise blood pressure to target MAP or decrease norepinephrine requirement. Not recommended as a replacement for a first-line vasopressor.
Pure vasoconstrictor; may decrease stroke volume and cardiac output in myocardial dysfunction or precipitate ischemia in coronary artery disease.

Must be diluted; eg, a usual concentration is 25 units in 250 mL D5W or NS (0.1 units/mL)

Bhopalwala. H

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