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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Preferred biochemical markers in patients presenting with myocardial infarction September 2008
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The correct answer is  As. B: Cardiac specific Troponins Creatine kinase (CK) muscle and brain (CK-MB) mass and myoglobin measurements were the standard up to the mid-1990s, when assays for the cardiac-specific isoforms of troponin I and troponin T became available. They are now the preferred biochemical markers. They may rise to levels more than 20 times higher than the upper reference limit. Their levels may remain elevated for 7-10 days after STEMI