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Questions and Answers
What is the duration of myoglobin in the circulation in acute myocardial infarction?
What is the duration of myoglobin in the circulation in acute myocardial infarction?
- 20-24 hours (correct)
- 30 minutes
- 4-6 hours
- 10-12 hours
What is unique about cardiac troponin I (cTnI) and cardiac troponin T (cTnT)?
What is unique about cardiac troponin I (cTnI) and cardiac troponin T (cTnT)?
- They are uniquely expressed in the myocardium. (correct)
- They are not specific to the myocardium.
- They are found in skeletal muscle diseases.
- They are only found in the kidney.
What is the significance of elevated ST segments in an electrocardiogram?
What is the significance of elevated ST segments in an electrocardiogram?
- It indicates skeletal muscle disease.
- It indicates ST Elevation Myocardial Infarction. (correct)
- It indicates renal failure.
- It indicates diabetes.
When does myoglobin start to increase in the circulation in acute myocardial infarction?
When does myoglobin start to increase in the circulation in acute myocardial infarction?
Why is myoglobin not specific for myocardial injury?
Why is myoglobin not specific for myocardial injury?
What is the significance of troponin in the diagnosis of myocardial infarction?
What is the significance of troponin in the diagnosis of myocardial infarction?
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