['The objective is to verify the cardiac troponin I values in children less than 1 year of age without clinical cardiac dysfunction.', 'The cardiac troponin I values were determined in 99 children less than 1 year of age, including term infants without diseases related to cardiac dysfunction using the specific kit Opus T Troponin I (cTn) (Dade Behring Inc. -Newalk, DE 19714, USA).', 'All children have values of cardiac troponin I less than 0.1 ng/ml.'] Does evaluation of serum cardiac troponin I value in children less than 1 year of age?