Cardiac Troponin is measured primarily to detect whether a patient has damage to the heart muscle. Cardiac troponin is a specific indicator found in heart muscle cells. This test is mostly used to determine whether a patient has a myocardial infarction. Cardiac troponin exists in the cytoplasm of cardiomyocytes in both complex and free forms. When cardiomyocytes are damaged, cardiac troponin enters the bloodstream, and the serum level of cardiac troponin becomes high, so the level of cardiac troponin during the test can reflect whether there is any damage to the heart muscle. If there are any abnormal indicators or discomfort, it is recommended to consult a doctor in time to improve the examination and clarify the cause of the disease.