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Biomarkers of Cardiac Diseases

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Questions and Answers

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)?

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?

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?

1-3 hours Signup and view all the answers

Why is myoglobin not specific for myocardial injury?

Because it can increase in skeletal muscle diseases. Signup and view all the answers

What is the significance of troponin in the diagnosis of myocardial infarction?

It is a highly sensitive and specific serum marker. Signup and view all the answers

Biomarkers of Cardiac Diseases

Choose a study mode

Podcast

Questions and Answers

What is the duration of myoglobin in the circulation in acute myocardial infarction?

What is unique about cardiac troponin I (cTnI) and cardiac troponin T (cTnT)?

What is the significance of elevated ST segments in an electrocardiogram?

When does myoglobin start to increase in the circulation in acute myocardial infarction?

Why is myoglobin not specific for myocardial injury?

What is the significance of troponin in the diagnosis of myocardial infarction?

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