Abstract
This case report describes a 30-week gestation neonate who presented at birth with hydrops fetalis due to atrial flutter. Digoxin and electric cardioversion were unsuccessful in maintaining a stable sinus rhythm. The infant continued with intractable atrial flutter and severe hemodynamic deterioration until intravenous loading of amiodarone achieved conversion to stable sinus rhythm. Amiodarone was continued for 45 days; there was no recurrence of atrial flutter. Of note, the infant developed severe chronic lung disease after mechanical ventilation for 28 days. A lung biopsy ruled out amiodarone-induced pulmonary toxicity. A table is provided reviewing the different forms of neonatal supraventricular tachycardias. Apart from the successful management of the tachycardia, the role of amiodarone as an effective antiarrhythmic agent and its potential side effects, such as pulmonary toxicity and transient hypothyroidism, are discussed.
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