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colleen colleen
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11 years ago
The nurse is caring for an adult patient who is admitted with chest pain that began four hours ago. Which test will be most specific in identifying acute heart damage?
1. troponin
2. CPK
3. CK-MB
4. cholesterol
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KassieKassie
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11 years ago
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11 years ago
1 -- Troponin is primarily located in cardiac muscle and can indicate myocardial infarction or unstable angina. Troponin elevates at two to four hours after myocardial infarction. CPK and CK-MB will elevate with myocardial damage, but will take longer to rise and are not as specific as troponin. Cholesterol level is not helpful in diagnosis of myocardial damage.
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