According to a new study an invasive heart test called left ventriculogram used to measure ejection fraction and which is used routinely to measure heart function is being overused, especially among patients who recently underwent similar, more effective tests. The overuse of left ventriculogram is described by the author as "shockingly high." ScienceDebate Paid Ad Links:

read more: Left ventriculogram, an invasive heart test, overused?