Westermark’s sign [Neil Westermark, German radiologist, b. 1904] , on a radiograph of the lung, the absence of blood vessel markings beyond the location of a pulmonary embolism.
Westermark’s sign
Westermark’s sign [Neil Westermark, German radiologist, b. 1904] , on a radiograph of the lung, the absence of blood vessel markings beyond the location of a pulmonary embolism.