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Myocardial infarction

Prevalence
Clinical features
Differential diagnosis
Investigations
Therapy
Prevention
Prognosis
Clinical features

Look for pulmonary crackles b

Why?

Pulmonary crackles make a myocardial infarction more likely

Patient Target Disorder and
Reference Standard		 Diagnostic Test LR+
(95% CI) 		Post-test Probability LR-
(95% CI) 		Post-test Probability
anterior chest pain b (pre-test probability: 12%) myocardial infarction
(cardiac enzymes, ECG) 		pulmonary crackles on auscultation 2.1
(1.5 to 3.1) 		23% 0.76
(0.62 to 0.92) 		10%
 

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

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