Dopamine (Inotropin)

Question 1

Description

Answer 1

Endogenous and now synthetic agonist at DA, Beta 1, and alpha 1 receptors

Question 2

Actions

Answer 2

1. Relative potency depends somewhat on dose being delivered
2. DA agonist at low dose
3. Beta1 agonist at medium dose, alpha 1 agonist at high dose

Question 3

Indications

Answer 3

1. Shock of various etiologies in ICU
2. Can produced increased contractility (beta 1 stimulation), vasoconstriction (alpha1), and improved mesenteric and renal perfusion (DA)

Question 4

Other facts

Answer 4

Given IV preferably for short duration