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Acute cardiac failure due to atrial fibrillation

Case contributed by Sajoscha A. Sorrentino
Diagnosis probable


Acute dyspnea and tachycardia with a history of atrial fibrillation.

Patient Data

Age: 65 years
Gender: Female

Typical Kerley B lines at the lung bases. No effusion. Normal cardiac silhouette size.

Zoomed image showing Kerley B lines. 

Case Discussion

Kerley B lines are 1-2 cm thin lines in the peripheries of the lung. They are perpendicular to, and extend out to, the pleural surface. They represent thickened subpleural interlobular septa and are usually seen at the lung bases. 

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