Nils Johan Hugo Westermark (1892 – 1980) was a Swedish radiologist. Westermark sign (1938) of relative oligemia on CXR in pulmonary embolism
Fleischner sign: prominent dilated central pulmonary artery. Enlargement can be associated with massive embolus enlarging the luminal diameter of the proximal artery in the acute setting; or pulmonary hypertension in the subacute to chronic setting
Palla sign (1983) right descending pulmonary artery enlargement and ‘sausage-shaped’ appearance as a potential sign of pulmonary embolism on chest XR
The Hampton hump is a well-defined pulmonary pleural based opacity representing hemorrhage and necrotic lung tissue in a region of pulmonary infarction caused by acute pulmonary embolism.
Chang sign (1965) Dilated descending pulmonary artery associated with pulmonary infarction and pulmonary hypertension following pulmonary embolism
Eponymythology of named cardiac murmurs. Related eponyms, the person behind their origin, their relevance today, and modern terminology.
Chronological review of the eponyms of aortic regurgitation / insufficiency based on the 31 signs proposed by Ashrafian (2005) and Zacek (2018)
Walter Arthur Bastedo (1873 – 1952) was a Canadian gastroenterologist.