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Ann Clin Neurophysiol > Volume 20(2); 2018 > Article
Ann Clin Neurophysiol. 2018; 20(2): 93-96.
Published online July 31, 2018.
doi: https://doi.org/10.14253/acn.2018.20.2.93
Sonographic evaluation of the diaphragm in patients with unilateral diaphragmatic paralysis
Jung Im Seok1, Kyung Chan Kim2, Hye Joo Rha1, and Sung Rok Lee1
1Department of Neurology, Catholic University of Daegu School of Medicine, Daegu, Korea
2Department of Internal Medicine, Catholic University of Daegu School of Medicine, Daegu, Korea
Corresponding Author: Jung Im Seok ,Tel: +82-53-650-3440, Fax: +82-53-654-9786, Email: ji-helpgod@hanmail.net
Received March 6, 2018   Revised: April 21, 2018    Accepted May 16, 2018
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).
Key words: Ultrasonography; Diaphragm; Paralysis
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