Table 1. Percentages of laboratories offering biomarkers in addition to troponin in suspected cases of acute coronary syndrome.
BiomarkerPercentage of laboratories
Myoglobin11.0%
Creatine kinase59.0%
Creatine kinase MB isoenzyme activity8.3%
Aspartate transaminase34.0%
Lactate dehydrogenase30.0%
Lactate dehydrogenase isoenzyme 11.0%
Hydroxybutyrate dehydrogenase2.4%
Lactate dehydrogenase isoenzymes0.5%