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Acute coronary syndrome

Prevalence
Clinical features
Differential diagnosis
Investigations
Therapy
Prevention
Prognosis
Investigations

Arrange stress testing on discharge or as an outpatient using electron-beam CT a  b

Why?

A normal electron-beam CT makes coronary artery disease less likely

Patient Target Disorder and
Reference Standard		 Diagnostic Test LR+
(95% CI) 		Post-test Probability LR-
(95% CI) 		Post-test Probability
suspected coronary artery disease b
(pre-test probability: 56%) 		> 50% stenosis
(coronary angiography) 		electron-beam CT 1.9 71% 0.15 16%
suspected coronary artery disease a
(pre-test probability: 56%) 		> 50% stenosis
(coronary angiography) 		calcification on electron-beam CT 1.5 66% 0.016 2%
 

 

 

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

Authors   CM   Ball , N   Shenker
Reviewer   I K   Jang
CAT Writers   N   Shenker , CJ   Wotton , CM   Ball , RS   Phillips