Which one of the following cardiac markers is elevated for the longest period of time after a myocardial infarction?

Question

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Troponins are elevated for the longest period of time after a myocardial infarction (MI), usually detectable for up to 10-14 days. CK-2 (CK-MB) is detectable for up to 48-72 hours and myoglobin for up to 24-36 hours. hs-CRP is not a cardiac marker but a marker of inflammation and can be elevated in various conditions, including MI. However, it does not have a specific time frame for elevation after an MI.

Which One of the Following Cardiac Markers Is Elevated for the Longest