Clinical features

Why?

Absent or reduced pulses make proximal aortic dissection 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%)	proximal aortic dissection (angiography, surgery or autopsy)	pulse deficits	3.9 (2.3 to 6.6)	3.9%	0.57 (0.43 to 0.74)	0.57%