Most labs testing children for cardiac troponin lack pediatric reference ranges, survey finds
Cardiac troponin, a protein released into the blood when heart muscle is damaged, can be used as a quick measure of heart injury in adults, and testing for it has revolutionized adult cardiology. For children, however, doctors often lack data on normal troponin measurements.

<p>Cardiac troponin, a protein released into the blood when heart muscle is damaged, can be used as a quick measure of heart injury in adults, and testing for it has revolutionized adult cardiology. For children, however, doctors often lack data on normal troponin measurements.</p>