PMC6358327_01
Diaphragm ultrasound imaging in FSHD1. The right hemi diaphragm moves cranially in an opposite direction during deep inspiration (C) or Sniff maneuver (A) in comparison with the normal caudal movement of the left hemi-diaphragm during deep inspiration (D) or Sniff maneuver (B). FSHD1 = facio-scapulo-humeral dystrophy.
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F1
The imaging exam disclosed an opposite side to side hemi diaphragm displacement, either during sniff maneuver or deep inspiration maneuver, with a cranial abnormal reduced motion of the right hemi diaphragm whereas the left hemi diaphragm moved caudally during inspiration or sniff maneuver (Fig. 1).