Table 1.

Patient’s selected laboratory investigation results, at presentation to the pediatric ED and in clinic follow-up 7 d later

LABORATORY INVESTIGATION	PEDIATRIC ED VISIT	CLINIC FOLLOW-UP 7 D LATER*
Troponin I	14 762 ng/L (normal < 30.9 ng/L)	NA
Troponin T	NA	14 ng/L (normal < 15 ng/L)
Creatine kinase	747 U/L (normal 55–370 U/L)	105 U/L (normal < 247 U/L)
Alanine aminotransferase	61 U/L (normal < 42 U/L)	94 U/L (normal < 40 U/L)
Aspartate aminotransferase	94 U/L (normal < 41 U/L)	48 U/L (normal < 37 U/L)

ED—emergency department, NA—not applicable.

^*Different institution and laboratory.