Beginning at 0001 on Monday morning 2/18/08 we will begin using a new formulation of the Troponin reagent that will increase the sensitivity of the assay. The new reference ranges will be:
<0.034 ng/ml = normal
0.034-0.120 ng/ml = reflects minimal myocardial damage
>0.120 ng/ml = probable AMI
Data from the manufacturer, published studies, and our own inhouse studies have verified these ranges.
Alert values will be called on any value 0.034 ng/ml or greater.
As always, serial sampling is recommended.
Non-AMI causes of low-level transient elevations include:
A copy of our explanatory Feb. 2008 Lab Newsletter is available on request @ 936-8226
(posted 12 May 2008; latest addition, 14 August 2008)
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