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. 2020 May 23;2(2):65–71. doi: 10.1016/j.smhs.2020.05.003

Table 1.

Characteristic differences of circulating cardiac troponin (cTn) elevations during strenuous exercise versus acute myocardial infarction.

Strenuous Exercise Myocardial Infarction
Blood levels of cTn cTnT > 0.03 ng/mL
cTnI > 0.18 ng/mL		 cTnT > 0.1 ng/mL
cTnI > 1.0 ng/mL
Time of cTn elevation 24–48 h Up to 72 h
Other clinical signs No changes in ECG Changes in ECG
Main clinical outcomes No substantial myocardial damages Causing acute heart failure or sudden death