MED-Dobutamine

Functional Class

Sympathomimetic
Mechanism of Action
- Synthetic catecholamine
- Acts primarily on Beta-1 and Alpha receptors
- Increases cardiac output via increases inoptropic effects
- Decreases Pulmonary Wedge Pressure (PWP)
- Little or no effect on BP/HR
- Also increases conduction through AV node
Indications
- Short term management of CHF or Cardiogenic shock
- Increase cardiac output without increases rate
Contraindications
- Hypersensitivity
- VT
Precautions
- Can increase myocardial oxygen demand
- Can be deactivated by sodium bicarbonate
- Preexisting HTN/a-fib
- Hypotension from hypovolemia; volume restoration first
Side Effects
- Tachycardia
- HTN
- Dyspnea
- Dysrhythmias
- Palpitations
- CP
- Headaches
- Anxiety
- N/V
Interactions
- Absolute interaction with beta blockers as the decrease dobutamines effectiveness
- Use with caution with TCAs
Dose and Route

2-20 mcg/kg/min IV infusion
Preparation

250 mg/250 mL or 500 mg/500 mL NS or D5W = 1000 mcg/mL
Note

Dopamine is drug of choice in cardiogenic shock

Author

amerelman

40671

Card Set

MED-Dobutamine

Description

MED-Dobutamine

Updated

2010-10-08T14:22:50Z

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