Dopamine is a frequently used drug in critically ill patients because:

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Quizplus · Accepted Answer

Dopamine is a frequently used drug in critically ill patients because at high doses, it increases coronary flow. In low doses (1-5 mg/kg/min), dopamine affects primarily the dopaminergic receptors. Activation of these receptors causes vasodilation of the renal and mesenteric vasculature and mild vasoconstriction of the peripheral bed, which thereby redirects blood flow to kidneys and bowel.

Dopamine Is a Frequently Used Drug in Critically Ill Patients