TnI refers to cardiac troponin I. Elevated TnI suggests possible myocardial injury.
TnI is a unique component of cardiomyocytes, which does not exist in other tissues and organs, and has high specificity and sensitivity in diagnosing myocardial injury. Elevated TnI helps to determine whether myocardial injury has occurred, and at the same time, combined with the patient’s clinical symptoms and other objective tests, it helps to clarify the causes of elevated indexes, and to carry out the next step of treatment.
Under normal circumstances, TnI cannot be detected in the blood or there is only a trace amount of TnI, only when the cardiomyocyte injury, TnI release into the blood can be detected, if the detection of TnI exceeds the normal value, it suggests that the patient is likely to have myocardial injury, and need to be treated in a timely manner.