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Evaluation and management of supraventricular tachycardia in children
L S Binder1, R Boeche, D Atkinson
1Department of Emergency Medicine, Texas Tech University Health Sciences Center, El Paso 79905.
Insights
This case study highlights a successful intervention for supraventricular tachycardia in a pediatric patient with congenital heart disease. Prompt fluid resuscitation and dopamine infusion resolved the arrhythmia when medications failed.
Area of Science:
- Pediatric Cardiology
- Pediatric Critical Care Medicine
- Congenital Heart Disease Management
Background:
- Emergency physicians manage acute complications in pediatric patients with congenital heart disease.
- Supraventricular tachycardia (SVT) is a serious complication, potentially leading to hemodynamic decompensation.
- Patients with single ventricle physiology are at increased risk for arrhythmias.
Observation:
- A 22-month-old boy with single ventricle presented with syncope and hemodynamically stable SVT.
- Initial pharmacologic attempts using propranolol and verapamil were unsuccessful.
- The supraventricular tachycardia resolved after intravenous fluid bolus and dopamine infusion.
Findings:
- The arrhythmia was likely multifactorial, stemming from anemia, hypovolemia, and impaired cardiac contractility.
- Pharmacologic management failed, but supportive care achieved successful conversion.
- This case underscores the importance of considering non-pharmacologic interventions in specific pediatric populations.
Implications:
- This case highlights the need for tailored resuscitation strategies in pediatric congenital heart disease patients with SVT.
- It emphasizes the potential efficacy of IV fluid bolus and dopamine in refractory SVT cases.
- Further research into the combined effects of anemia, hypovolemia, and contractility on SVT in single ventricle patients is warranted.
Abstract:
Emergency physicians may be called on to resuscitate acute complications in pediatric patients with congenital heart disease. Supraventricular tachycardia, with or without hemodynamic decompensation, is one of the most serious complications. We present the case of a 22-month-old boy with a history of single ventricle who presented to our institution with a history of syncope and hemodynamically stable supraventricular tachycardia. Initial attempts at pharmacologic conversion with propranolol and verapamil failed. The arrhythmia was terminated in response to an IV fluid bolus and dopamine infusion and probably resulted from a combination of anemia, hypovolemia, and impaired contractility. Appropriate evaluation and management relating to the cre of acute supraventricular tachycardia in children are discussed.