Comparison between cTnT and CK-MB mass in the diagnosis of myocardial infarction: the response
- Correspondence to Dr Paul O Collinson, Department of Clinical Blood Sciences, St George's Hospital, Ground Floor, Jenner Wing, London SW17 0RE, UK;
Contributors Written by the author.
The Authors' reply In our recent study, we found the measurement of the MB isoenzyme of creatine kinase by a mass measurement (CK-MB mass) to be significantly inferior to the measurement of cardiac troponin.1 Currently, the universal definition of myocardial infarction recommends the measurement of cardiac troponin either as cardiac troponin T (cTnT) or cardiac troponin I (cTnI).2 CK-MB is accepted as an alternative although acknowledged as being both less sensitive and less specific. This …