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Gerbode-ish Defect: A Congenital Left Ventricular-to-Right Atrium Shunt

Noah J Speiser1, Luke Wiggins2, Merujan Uzunyan3

  • 1Keck School of Medicine of USC, Rolling Hills Estates, California, USA.

JACC. Case Reports
|August 22, 2025
PubMed

Insights

A rare congenital Gerbode defect, a left ventricle to right atrium shunt, can be missed in newborns. Early diagnosis via echocardiogram is crucial for managing cyanosis and respiratory issues in infants.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Congenital Heart Disease

Background:

  • Gerbode defects are rare communications between the left ventricle and right atrium.
  • Congenital Gerbode defects necessitate prompt diagnosis and medical management prior to surgical correction.

Observation:

  • A 3-day-old male infant presented with episodic cyanosis and tachypnea.
  • Echocardiogram revealed a type 2 Gerbode defect, a left ventricle to right atrium shunt via the tricuspid valve.

Findings:

  • Gerbode defects are often missed at birth due to varied cardiac presentations.
  • Diagnosis can be challenging, requiring a high index of suspicion.

Implications:

  • Cardiac anomalies should be considered in the differential diagnosis of infant cyanosis and respiratory distress.
  • Echocardiography is essential for diagnosing Gerbode defects and monitoring shunt progression.
Abstract

Keywords:
congenital heart defecthemodynamicsimagingmurmurventricular septal defect

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