Westermark Sign - History Page

	Date/Time	Made By	Type	Scope
	Apr 30 2010, 6:45 AM EDT	M.J.Fuller	edit	1 word added 1 word deleted
Change: thrombusclot within the left descending pulmonary artery and abrupt change in calibre (arrowed)This video is best viewed by clicking on the YouTube logo and viewing at higher resolution on the Youtube websiteThis video is best viewed by clicking on View changes from previous version. (Word count: 271)
	Apr 30 2010, 6:38 AM EDT	M.J.Fuller	edit	21 words added 17 words deleted
Change: with a sharp cutoff. Other closely related signs are the Fleischner sign which refers to a prominent central artery and Chang’s sign which refers to a dilatation and abrupt change in the calibre of the right descending pulmonary artery. [Kirwadi A, and Bickle IC. Plain View changes from previous version. (Word count: 271)
	Apr 30 2010, 6:30 AM EDT	M.J.Fuller	edit	4 words deleted 3 images deleted
Change: CTPA with thrombus arrowedDiscussionA classic plain film case of Westermark sign is not often seen. This case demonstrates prominence of the central pulmonary arteries and abrupt View changes from previous version. (Word count: 267)
	Apr 30 2010, 6:25 AM EDT	M.J.Fuller	edit	2 words added 1 word deleted
Change: pulmonary artery that is occluded by pulmonary embolism. Other closely related signs are the Fleischner sign which refers to a prominent central artery and Chang’s sign which refers to a dilatation and abrupt change in the calibre of the right descending pulmonary artery. [Kirwadi A, and Bickle View changes from previous version. (Word count: 271)
	Apr 30 2010, 6:24 AM EDT	M.J.Fuller	edit	57 words added 1 word deleted
Change: thrombus arrowedDiscussionA classic plain film case of Westermark sign is not often seen. This case demonstrates prominence of the central pulmonary arteries and abrupt cut-off of the left descending pulmonary artery, but the best evidence of oligemia is in the right midzone (plain film and CT evidence). View changes from previous version. (Word count: 270)
	Apr 30 2010, 6:09 AM EDT	M.J.Fuller	edit	169 words added 3 words deleted 3 images added 2 images deleted
Change: Westermark sign refers to an area of oligemia (reduced blood volume) distal to a large vessel that is occluded by pulmonary embolism. Other closely related signs are the Fleischner sign which refers to a prominent central artery and Chang’s sign which refers to a View changes from previous version. (Word count: 213)
	Apr 29 2010, 8:28 AM EDT	M.J.Fuller	edit	40 words added 1 widget added
Change: under constructionIntroductionCase 1This video is best viewed by clicking on the YouTube logo and viewing at higher resolution on the Youtube websiteThis video is best viewed by clicking on the YouTube logo and viewing at higher resolution on the Youtube website View changes from previous version. (Word count: 45)
	Apr 29 2010, 8:22 AM EDT	M.J.Fuller	edit	5 words added 5 images added 1 widget added
Change: under constructionIntroductionCase 1 View changes from previous version. (Word count: 5)
	Apr 29 2010, 8:06 AM EDT	M.J.Fuller	lock	No content added or deleted.
Change: Locked by M.J.Fuller Apr 29 2010, 8:06 AM EDT for: no reason given
	Apr 21 2010, 8:43 AM EDT	M.J.Fuller	edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 0)
	Apr 21 2010, 7:57 AM EDT	M.J.Fuller	create	No content added or deleted.
Change: Created by M.J.Fuller Apr 21 2010, 7:57 AM EDT for: no reason given