Whilst cardiac troponin is considered to be indicative of cardiac necrosis, the advent of new high sensitivity assays for troponin suggests that troponin may be present in the blood of healthy persons. We have examined a cohort of healthy children and measured TnT in their blood.
Potter, J. M., KOERBIN, G., Abhayaratna, W., Cunningham, R., TELFORD, D., & Hickman, P. (2012). Transient troponin elevations in the blood of healthy young children. Clinica Chimica Acta, 413(7-8), 702-706. https://doi.org/10.1016/j.cca.2011.12.017