Double right heart border sign

Case contributed by Mohammad walid Ahmad Amin
Diagnosis almost certain

Presentation

Coughing for a week. Chest x-ray to rule out pneumonia.

Patient Data

Age: 55 years
Gender: Female
x-ray

Double right heart border.

Borderline cardiothoracic ratio.

Normal subcarinal angle.

Both costophrenic angles are clear.

No focal lung consolidation.

Case Discussion

Double right heart border with borderline cardiomegaly raises suspicion for left atrial enlargement. This patient requires correlation with echocardiogram.

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