Presentation
Peri-arrest. Know cardiac failure.
Patient Data
Age: 80 years
Gender: Female
From the case:
Kerley B lines
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Upper lobe venous distension in keeping with pulmonary venous hypertension.
Fine interstitial lines at both bases, greater on the right consistent with interlobular septal thickening.
Tiny left sided pleural effusion.
Case Discussion
Kerley B lines (thickened interlobular septa) are much spoken about as a medical student, but less commonly observed than one might expect given the volume of cardiac failure patients. These thin lines of 1-2 cm are virtually always at the lungs bases and at the lung periphery lying perpendicular to the pleural surface to which they contact.
There are other causes of interlobular septal thickening, such as lymphangitis carcinomatosis.
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