Pulmonary artery rupture during pulmonary balloon valvuloplasty is a rare and life-threatening complication. Here, we present a pulmonary artery rupture in a 10-month-old infant. The patient had a tamponade, ineffective cardiac massage for 40 minutes and extreme hemodilution due to blood loss. Extracorporeal life support was used for three days. The patient was discharged without any neurological sequelae.
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