Unexpected Rhythm: Supraventricular Tachycardia Unveiled in a Neonate Diagnosed at Delivery

Neonatal supraventricular tachycardia (SVT) poses clinical challenges due to its rarity and potential for serious complications. We present a case of a 2.5 kg female neonate delivered at 37.2 weeks of gestation, diagnosed with SVT shortly after birth. Initial management included adenosine administration, which was initially ineffective until a second dose successfully reduced the heart rate. Subsequent episodes required repeated adenosine and the initiation of propranolol therapy. The neonate showed improvement with cessation of SVT episodes, weaning off respiratory support, and successful breastfeeding initiation. Follow-up at one month revealed no recurrent SVT, affirming effective management and favorable outcomes in neonatal SVT cases.