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Ann Clin Neurophysiol.  2018 Jul;20(2):93-96. 10.14253/acn.2018.20.2.93.

Sonographic evaluation of the diaphragm in patients with unilateral diaphragmatic paralysis

Affiliations
  • 1Department of Neurology, Catholic University of Daegu School of Medicine, Daegu, Korea. ji-helpgod@hanmail.net
  • 2Department of Internal Medicine, Catholic University of Daegu School of Medicine, Daegu, Korea.

Abstract

Evaluation of diaphragm function is challenging because no single test has a high diagnostic yield. We describe ultrasound findings in three cases with acquired unilateral diaphragmatic elevation. These cases confirm that sonographic evaluation is a valid tool for identifying diaphragm dysfunction. In addition, ultrasound measurements of diaphragm thickness and the contractility can be used to determine if a diaphragm is paralyzed and suggest the duration of paralysis (i.e., acute or chronic).

Keyword

Ultrasonography; Diaphragm; Paralysis

MeSH Terms

Diaphragm*
Humans
Paralysis
Respiratory Paralysis*
Ultrasonography*
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