Which blood test is most specific for diagnosing MI? A) CK-MB B) Myoglobin C) Troponin D) D-dimer
Understand the Problem
The question is asking which blood test is the most specific for diagnosing myocardial infarction (MI). The answer choices are various biomarkers commonly used in clinical settings. The goal is to identify the test that has the highest specificity for MI.
Answer
Troponin
The final answer is Troponin.
Answer for screen readers
The final answer is Troponin.
More Information
Troponin is a highly specific and sensitive biomarker for myocardial infarction (MI). It is a protein found in cardiac muscle that is released into the bloodstream following heart injury. It is the preferred marker due to its high specificity for cardiac tissue.
Tips
A common mistake is confusing troponin with other less specific markers like CK-MB or myoglobin, which might be found in non-cardiac tissues.
Sources
- Myocardial Infarction Serum Markers - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Biomarkers in acute myocardial infarction: current perspectives - PMC - pmc.ncbi.nlm.nih.gov
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