Troponin I (cTnI) is a protein unique to cardiomyocytes. It has the function of significantly regulating the contraction of cardiomyocytes. It is widely used in clinical detection of myocardial injury and unstable angina. After the onset of such patients, cTnI appears early and lasts for a long time. It has the advantages of myocardial specificity and a longer diagnostic window. It is the first choice for the diagnosis of myocardial infarction.
Detection range | sample size | Sample type | Test time |
0.1~50ng/mL | 60μl | Whole blood / serum / plasma | 15min |
See a doctor | Chest pain/chest tightness | |||
Medical history and physical examination | Suspected ACS (Acute Coronary Syndrome) | |||
electrocardiogram | Persistent ST segment elevation | Abnormal St/T segment ↓ | ![]() | ECG normal ↓ |
Biochemical test | ↓Confirm | CTN was positive | Troponin CTN negative ×2 | |
Risk stratification | high-risk | Low risk | ||
diagnosis | ST segment elevation myocardial infarction STEMI | Non-ST-segment elevation myocardial infarction NSTEMI | Unstable angina pectoris UA | |
treatment | Reperfusion | Interventional therapy | Non-interventional therapy |
Cardiology, emergency, laboratory, pediatrics, hematology, oncology, Nephrology, surgery, etc
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