Related Experiment Videos
Dopamine-induced increase in atrioventricular conduction in atrial fibrillation-flutter
D M Gelfman1, J P Ornato, E R Gonzalez
1Division of Cardiology, Medical College of Virginia, Richmond 23298.
Clinical Cardiology
|November 1, 1987
Summary
Low-dose dopamine can worsen atrioventricular conduction in patients with atrial fibrillation-flutter (AFF) and mitral stenosis, leading to hemodynamic compromise. Caution is advised when using dopamine in patients with AFF.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Atrial fibrillation-flutter (AFF) is a common arrhythmia.
- Mitral stenosis is a narrowing of the mitral valve.
- Dopamine is a vasopressor used in critical care.
Observation:
- A patient with controlled AFF and mitral stenosis received low-dose dopamine.
- The patient experienced a significant increase in atrioventricular conduction.
Findings:
- Dopamine infusion led to hemodynamic compromise in this patient.
- This adverse effect of dopamine in AFF patients is previously undescribed.
Implications:
- Dopamine should be administered with caution in patients with atrial fibrillation-flutter.
- Further research is needed to understand this interaction.