Chang sign (pulmonary embolism) | Radiology Reference Article ...
Aug 4, 2025 · The Chang sign refers to the dilatation and abrupt change in caliber of the main pulmonary artery due to pulmonary embolism 1. It is one of several described signs of …
Chang sign - Wikipedia
Chang sign is a radiologic sign for detecting pulmonary embolism in X-ray films. It refers to the dilatation and abrupt change in calibre of a previously normal descending pulmonary artery on …
Chang sign • LITFL Medical Blog • Medical Eponym Library
Nov 3, 2020 · Chang sign on chest x-ray describes a dilated left or right descending pulmonary artery with an abrupt change in calibre, with an amputated appearance. This sign is most …
Central Pulmonary Embolism Detected on a Chest X-Ray: A Case …
Another possibility is Chang’s sign, described as a dilation of a previously normal descending pulmonary artery, usually within 24 hours of chest pain onset and maximally at two or three …
Pathology Outlines - Infarct / pulmonary emboli
May 31, 2023 · Railway sign: the railway track sign is used in chest radiography or CT to refer to the presence of contrast in the pulmonary artery surrounding a partial filling defect in the …
Chang sign (pulmonary embolism) - ResearchGate
Jul 1, 2014 · This is a reliable and early roentgen sign. Measurement of the descending pulmonary artery on chest roentgenogram is most important in the diagnosis of the pulmonary …
Signs in pulmonary thromboembolism (mnemonics) @easypeasyrad
Dec 31, 2024 · Signs in pulmonary thromboembolismWestermark signPallas signFleischner signChang signHamptons humpPolo mint sign #educationalvideo #medical #radiologyresiden...
Signs of pulmonary embolus on chest radiography
Feb 21, 2024 · Disclosures: At the time the article was last revised Joshua Yap had no financial relationships to ineligible companies to disclose. There are several described signs of …
Plain Film Signs in Pulmonary Embolism (with CT correlate)
Oct 25, 2009 · Chang’s sign is dilatation and abrupt change in calibre of the right descending pulmonary artery (Figure 4). The earliest consistent sign in pulmonary infarction is widening of …
CXR eponyms in pulmonary embolism • LITFL • Medical Eponym …
Nov 3, 2020 · Chang sign on chest x-ray describes a dilated left or right descending pulmonary artery with an abrupt change in calibre, with an amputated appearance. This sign is most …