Troponin T is very specific to myocardial tissue and can be valuable in diagnosing myocardial injury or infarction. Levels will rise within 4 to 6 hours of injury and remain elevated for 10 to 14 days.
Levels of this cardiac biomarker are typically very low (< 0.1 ng/mL). Increases will be seen with myocardial injury.
Troponin I is a cardiac-specific protein used to aid in the diagnosis of myocardial injury or infarction. Levels of cTnI will rise within 4 to 6 hours of injury and can be detected for up to 10 to 14 days after the cardiac event.
Troponin I normally remains at a level of < 0.5 ng/mL in the blood.
An increase in cTnI > 2.3 ng/mL indicates myocardial injury.
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