Presentation
Acute dyspnea and tachycardia with a history of atrial fibrillation.
Patient Data
Age: 65 years
Gender: Female
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Typical Kerley B lines at the lung bases. No effusion. Normal cardiac silhouette size.
From the case:
Acute cardiac failure due to atrial fibrillation
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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.