Dobutamine (Dobutrex) Flashcards Preview

Paramedic Drugs Set 4 - Hypotension / Bradycardia > Dobutamine (Dobutrex) > Flashcards

Flashcards in Dobutamine (Dobutrex) Deck (7)
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1

Classification

Adrenergic beta-1 agonist; inotropic agent

2

Mechanism of Action

  • Increases inatropy (contractility) with little effect on chronotropy (heart rate) or vasculatures. 

3

Indications

  • Cardiogenic Shock
  • CHF

4

Contraindications

  • Hypovolemic shock

5

Adverse Effects

  • Cardiovascular: palpitations, tachycardia, PVCs, hypertension, chest pain
  • Neurological: nervousness, headache
  • Other; Leg cramps

6

Administration

  • Adult: IVPB: 250 mg in 250 cc D5W or .9% NSS. Run at 2-5 mcg/kg/min, titrate to effect, maximum 20 mcg/kg
  • Pediatrics: Same as adult (not recomended for prehospital use)

7

Special Considerations

  • Dopamine is the preferred drug for patients with cardiogenic shock
  • May have slight beta-2 and/or alpha adrenergic effects
  • Adverse hypertension may be potentiated by tricyclic antidepressants