Definition of Elevated hemidiaphragm
Elevated hemidiaphragm: Elevation of half of the diaphragm, the muscle that separates the chest cavity from the abdomen and that serves as the main muscle of respiration. The elevation of a hemidiaphragm is a significant sign of a problem.
That problem may lie below, within or above the diaphragm:
Last Editorial Review: 6/14/2012
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