Kerley's B lines are a radiological finding that can be seen on chest X-rays. They are short, horizontal lines at the lung periphery, typically less than 1 mm in thickness and up to 2-3 cm in length. These lines represent interstitial edema and are often associated with heart failure, but can also be seen in other conditions that lead to pulmonary congestion or interstitial edema.
Kerley’s B lines are small, linear opacities seen most often in the lung peripheries, particularly at the costophrenic angles. They are: kerley's b lines
Named after the Irish radiologist Dr. Peter Kerley (1900–1979), these lines were first described in the 1930s. Kerley, working at the National Heart Hospital in London, noticed them in patients with mitral stenosis. He classified three types (A, B, C), but B lines became the star—easily spotted and clinically useful. Kerley's B lines are a radiological finding that
Chronic narrowing of the mitral valve often results in permanent Kerley lines due to long-standing pulmonary hypertension. Kerley’s B lines are small, linear opacities seen