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[Double-chamber right ventricle: a case report]

I Monte1, S Licciardi, G Caruso

  • 1Cattedra di Cardiologia, Università degli Studi, Catania.

Cardiologia (Rome, Italy)
|July 1, 1997
PubMed
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Anomalous muscle bundles can create a double-chamber right ventricle, a rare congenital heart defect. Echocardiography effectively diagnosed this condition in an asymptomatic adult, revealing specific flow patterns and a good prognosis.

Area of Science:

  • Cardiology
  • Congenital Heart Disease
  • Cardiac Imaging

Background:

  • Double-chamber right ventricle is a rare congenital cardiac malformation.
  • It is typically associated with other heart defects and seldom occurs in isolation in adults.
  • The condition involves an anomalous muscle bundle dividing the right ventricle into two chambers.

Purpose of the Study:

  • To report the echocardiographic diagnosis of an isolated double-chamber right ventricle in an adult.
  • To describe the clinical and imaging findings of this rare condition.
  • To assess the prognosis based on echocardiographic findings.

Main Methods:

  • Two-dimensional echocardiography was used to visualize the anomalous muscle bundle.
  • Color Doppler assessed blood flow patterns, including diastolic flow and systolic jets.

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  • Clinical presentation and electrocardiogram (ECG) findings were correlated with imaging results.

    • Main Results:

    • An 18-year-old asymptomatic male presented with a systolic murmur and ECG findings of right ventricular hypertrophy and conduction delay.
    • Echocardiography revealed an anomalous transversal muscle bundle dividing the right ventricle.
    • Color Doppler demonstrated diastolic tricuspidal-like flow and a systolic jet to the right atrium with a significant pressure gradient.

    Conclusions:

    • Isolated double-chamber right ventricle can be diagnosed using echocardiography.
    • The absence of symptoms, other cardiac anomalies, and significant obstruction indicates a good prognosis.
    • Cardiac catheterization was deemed unnecessary due to the favorable echocardiographic findings and good prognosis.