Dopamine given in acute CHF does not act on which of the following receptors
Correct Answer: α1 receptors
Description: Dopamine is given at the dose of 2 - 10 μg / kg / min in acute CHF, and dopamine acts on α1 receptors only at doses > 10μg / kg / min
Dose
Receptors
Action
< 2 μg / kg / min
D1
Renal vasodilation
2 - 10 μg / kg / min
β1
Cardiac stimulation
> 10 μg / kg / min
α1
Vasoconstriction
Category:
Pharmacology
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