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Myocardial infarction

Prevalence
Clinical features
Differential diagnosis
Investigations
Therapy
Prevention
Prognosis
Clinical features

Look for hypotension b

Why?

Hypotension makes a myocardial infarction more likely

Patient Target Disorder and
Reference Standard
Diagnostic Test LR+
(95% CI)
Post-test Probability
attending emergency department with chest pain b
(pre-test probability: 20%)
myocardial infarction
(ECG and cardiac enzyme changes)
hypotension (systolic bp 80 mmHg or less) 3.1
(1.8 to 5.2)
44%

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