A 54-Year-Old Man with Hypertension and Hyperlipidemia Who Came to the Emergency

question 2

Multiple Choice

A 54-year-old man with hypertension and hyperlipidemia who came to the emergency department with chest pain wants to know if he is having a heart attack.  Test A is newly available for diagnosing myocardial infarction (MI) .  In a recent study, the results of test A (compared to a gold standard diagnosis of MI) were as follows: The patient has a positive result on test A.  Assuming his pre-test probability is equivalent to the prevalence of MI in the study, what is the probability that the patient has an MI?

• A)40%
• B)50%
• C)60%
• D)80%
• E)90%

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Definitions:

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