Peter Kerley, born 1900, died 1978 was a radiologist from Dundalk, Ireland and a graduate of University College Dublin (1923). He discovered several of the medical signs used in interpreting radiographs. Kerley B lines are a finding of congestive heart failure. These are short parallel lines perpendicular to the lateral lung surface, indicative of increased opacity in the pulmonary septa. Kerley A lines and Kerley C lines are related findings. Wikipedia
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