Clinical features

• auscultate for an abdominal bruit ^a

Why?

Abdominal bruits make renovascular hypertension more likely

Patient	Target Disorder and Reference Standard	Diagnostic Test	LR+ (95% CI)	Post-test Probability	LR- (95% CI)	Post-test Probability
diastolic blood pressure 120 mmHg or more a (pre-test probability: 10%)	renovascular stenosis ( >50% on angiography )	Systolic and diastolic abdominal bruit	38 (9.5 to 160)	81%	0.62 (0.51 to 0.75)	6.2%
		Any epigastric or flank bruit	6.4 (3.2 to 12)	42%	0.41 (0.25 to 0.68)	4.4%
		Systolic bruit	2.1	19%	0.35	3.7%