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
Emil Samuel Perman (1856 – 1946) was a Swedish general surgeon. Eponymsously associated with the Perman-Rovsing sign
Thomas Cuming (1798 – 1887) was a North Irish physician renowned for works on aortic incompetence, cancum oris and peripneumonia in children.
Otto Heinrich Enoch Becker (1828-1890) was a German ophthalmologist, eponymous with Becker sign, and Becker test for astigmatism.
Roger’s murmur: holosystolic, loud murmur compared to the sound of a ‘rushing waterfall’. Associated with ventricular septal defects (VSD)
Henri-Louis Roger (1809 – 1891) was a French paediatrician. Bruit de Roger and the misnomer… Maladie de Roger (Roger’s disease)
Corrigan pulse is the excessive visible arterial pulsations in aortic incompetence. Not to be confused with the palpated ‘water-hammer pulse’.