6 Questions
What is the duration of myoglobin in the circulation in acute myocardial infarction?
20-24 hours
What is unique about cardiac troponin I (cTnI) and cardiac troponin T (cTnT)?
They are uniquely expressed in the myocardium.
What is the significance of elevated ST segments in an electrocardiogram?
It indicates ST Elevation Myocardial Infarction.
When does myoglobin start to increase in the circulation in acute myocardial infarction?
1-3 hours
Why is myoglobin not specific for myocardial injury?
Because it can increase in skeletal muscle diseases.
What is the significance of troponin in the diagnosis of myocardial infarction?
It is a highly sensitive and specific serum marker.
Test your knowledge on biomarkers used in the diagnosis of cardiac diseases, including troponin and myoglobin. Learn about the role of cardiac troponin I and T in detecting myocardial damage and the importance of myoglobin as an early marker of cardiac injury.
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