To correctly identify Kerley B lines, look for the "Classic Triad" of features:
She leaned closer. There, just above the right costophrenic angle, running horizontally toward the chest wall, were a series of fine, white lines. They were short—no longer than 1–2 centimeters—and they seemed to touch the pleural surface like a row of tiny, broken sticks. kerley b lines on chest x ray
Kerley B lines.
But it was a subtle detail in the lung periphery that caught her attention. To correctly identify Kerley B lines, look for