Why are vasopressors used cautiously in the treatment of critical care patients?

Question

Quizplus · Accepted Answer

Vasopressors are not widely used in the treatment of critically ill cardiac patients because the dramatic increase in afterload is taxing to a damaged heart.Vasopressin,also known as antidiuretic hormone,has become popular in the critical care setting for its vasoconstrictive effects.At higher doses,vasopressin directly stimulates V1 receptors in vascular smooth muscle,resulting in vasoconstriction of capillaries and small arterioles.

Why Are Vasopressors Used Cautiously in the Treatment of Critical