Changes

==Planning==

According to a clinical prediction rule of the American Medical Association, symptoms that best determine the risk of acute aortic dissection in patients with acute chest pain, acute back pain, or both are:<ref name="von KodolitschSchwartz2000">{{cite journal|last1=von Kodolitsch|first1=Yskert|last2=Schwartz|first2=Ann G.|last3=Nienaber|first3=Christoph A.|title=Clinical Prediction of Acute Aortic Dissection|journal=Archives of Internal Medicine|volume=160|issue=19|year=2000|pages=2977|issn=0003-9926|doi=10.1001/archinte.160.19.2977}}</ref><ref name=UpToDate>{{cite web|url=https://www.uptodate.com/contents/clinical-features-and-diagnosis-of-acute-aortic-dissection|title=Clinical features and diagnosis of acute aortic dissection|author=James H Black, III, Warren J Manning|website=UpToDate}} This topic last updated: Feb 16, 2018. Topic 8190 Version 29.0}}</ref>

*Pain in the chest or abdomen with immediate onset and a tearing or ripping character