The patient has had biomarkers drawn after complaining of chest pain. which diagnostic of myocardial infarction remains elevated for as long as 3 weeks?

Troponin
Explanation:
Troponin remains elevated for a long period, often as long as 3 weeks, and it therefore can be used to detect recent myocardial damage. Myoglobin returns to normal in 12 hours. Total CK returns to normal in 3 days . CK-MB returns to normal in 3 to 4 days.

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