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Chest pain

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Clinical features

Ask about a history of hypertension c

Why?

A history of hypertension makes aortic dissection slightly more likely

Patient Target Disorder and
Reference Standard		 Diagnostic Test LR+
(95% CI) 		Post-test Probability LR-
(95% CI) 		Post-test Probability
suspected aortic dissection undergoing angiography c
(pre-test probability: 1%) 		aortic dissection
(angiography, surgery or autopsy) 		prior hypertension 1.4
(1.0 to 1.9) 		1.4% 0.61
(0.42 to 0.89) 		0.61%
 

 

Expiry date: June 2003
Levels of Evidence used in grading these guides

Author   CM   Ball
Reviewer   S   Straus
CAT Writers   CJ   Wotton , CM   Ball , N   Shenker , RS   Phillips