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An asymptomatic double-chambered left ventricle diagnosed by contrast-enhanced ultrasound imaging: A case report

Jie Tian1, Dan Jin, Ying Zhu

  • 1Department of Medical Ultrasound, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.

Medicine
|April 21, 2023
PubMed

Insights

Double-chambered left ventricle (DCLV) is a rare congenital heart defect. Contrast-enhanced ultrasound imaging is crucial for accurate DCLV diagnosis and differentiation from other cardiac conditions.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Congenital Heart Disease

Background:

  • Double-chambered left ventricle (DCLV) is a rare congenital anomaly characterized by ventricular septal hypertrophy, leading to two distinct left ventricular chambers.
  • Differential diagnosis of DCLV can be challenging, often requiring advanced imaging techniques to distinguish it from conditions like ventricular septal defects or aneurysms.

Observation:

  • A 33-year-old woman presented for abortion with incidental findings of left anterior branch block and anterior wall R-wave incremental dysplasia on ECG.
  • Transthoracic echocardiography revealed a bilayer ventricular septum with a discontinuity, showing low-velocity bidirectional flow on color Doppler, suggestive of DCLV.

Findings:

  • Contrast-enhanced ultrasound imaging definitively confirmed the diagnosis of DCLV.
  • The patient remained asymptomatic during 3, 6, and 9-month follow-ups after abortion and was discharged without cardiac intervention.

Implications:

  • This case underscores the critical role of contrast-enhanced ultrasound in improving diagnostic accuracy for DCLV.
  • Accurate DCLV diagnosis is essential for appropriate management and to rule out other complex cardiac pathologies.
Abstract

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