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14.05 Dopamine (Inotropin)

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Generic Name

dopamine

Trade Name

Intropin

Indication

used to improve blood pressure, cardiac output, and urine output

Action

Smaller doses result in renal vasodilation
Doses 2-10mcg/kg/min result in cardiac stimulation by acting on beta1 receptors
Doses >10mcg/kg/min stimulate alpha receptors leading to vasoconstriction (↑SVR)

Therapeutic Class

inotropic, vasopressor

Pharmacologic Class

adrenergic

Nursing Considerations

• Monitor hemodynamics closely: BP, HR, EKG, CVP, and PAOP if available
• Obtain parameters for hemodynamic values
• Titrate to obtain appropriate BP (more potent vasoconstrictors may be required)
• Irritation may occur at IV site
• Beta blockers may counteract therapeutic effects

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