Westermark sign
id:
westermark-sign-294-13009445
title:
Westermark sign
text:
In chest radiography, the Westermark sign is a sign that represents a focus of oligemia (hypovolemia) seen distal to a pulmonary embolism (PE). While the chest x-ray is normal in the majority of PE cases, the Westermark sign is seen in 2% of patients. Essentially, this is a plain X-ray version of a filling defect as seen on computed tomography pulmonary arteriogram. The sign results from a combination of: the dilation of the pulmonary arteries proximal to the embolus and
the collapse of the dist
brand slug:
wiki
category slug:
encyclopedia
description:
Medical condition
original url:
https://en.wikipedia.org/wiki/Westermark_sign
date created:
date modified:
2022-09-06T14:32:37Z
main entity:
{"identifier":"Q7987424","url":"https://www.wikidata.org/entity/Q7987424"}
image:
fields total:
13
integrity:
14