Encyclopedia of imaging and clinical diagnosis.

Structured, referenced entries on 21 conditions, signs and techniques — each linked to real cases you can scroll through.

All systems Chest 8 Cardiac 3 Central nervous system 2 Head & neck 1 Gastrointestinal 5 Hepatobiliary 1 Urogenital 1 Musculoskeletal 2 Vascular 3 Pediatrics 3 Trauma 4

C

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.

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.

Gallstones, Gallbladder calculi

Stones within the gallbladder: very common, usually asymptomatic, and best shown by ultrasound.

Laryngotracheobronchitis, Steeple sign

A viral infection of the upper airway in young children causing subglottic narrowing, a barking cough and stridor.