The sarcomere is the most basic contractile unit in skeletal and cardiac muscle. Mutations in genes encoding sarcomeric proteins give rise to heritable myopathies, although muscle function is more ...

Will troponin-I elevate in circumstances other than heart conditions? I have encountered several patients without previous heart disease whose troponin I level was elevated (around 5-10 mg/dL) acutely ...

When used with the understanding that not all elevations are indicative of myocardial infarction, cardiac troponin testing can play an important role as the medical community responds to the ongoing ...