B Lines — Kerley

👩‍⚕️ Next time you see tiny horizontal lines at the lung bases, don’t dismiss them as artifact—think about the heart.

📍 On a supine portable chest X-ray, Kerley B lines may be subtle or absent. Look for peribronchial cuffing and cephalization as additional signs of elevated pulmonary venous pressure. kerley b lines

📍 Short, horizontal lines seen at the lung periphery (usually in the costophrenic angles). They are typically <2 cm long and extend to the pleural surface. 👩‍⚕️ Next time you see tiny horizontal lines