Encyclopedia of imaging and clinical diagnosis.
Structured, referenced entries on 21 conditions, signs and techniques — each linked to real cases you can scroll through.
C
Cardiothoracic ratio
CTR, Cardiac size on chest radiograph
The maximum horizontal width of the heart divided by the maximum internal width of the thorax on a PA chest radiograph.
Chest radiograph: systematic review
CXR review, ABCDE chest film
A structured way to read every chest radiograph, from technical quality to review areas, so that subtle findings are not missed.
L
P
Pleural effusion
Hydrothorax, Fluid in the pleural space
An abnormal collection of fluid in the pleural space, from transudative causes such as heart failure or exudative causes such as infection and malignancy.
Pneumothorax
Collapsed lung, PTX
Air in the pleural space, separating the visceral and parietal pleura and allowing the lung to collapse away from the chest wall.
Pulmonary edema
Pulmonary oedema, Cardiogenic pulmonary edema, Heart failure on chest radiograph
Fluid in the lung interstitium and alveoli, most often from raised left heart pressures, with a recognisable sequence of chest radiograph signs.
Pulmonary embolism
PE, Pulmonary thromboembolism
Obstruction of the pulmonary arteries by thrombus, usually from the deep veins of the legs, diagnosed with CT pulmonary angiography.