Japanese Heart Journal
Online ISSN : 1348-673X
Print ISSN : 0021-4868
ISSN-L : 0021-4868
Electrocardiographic Findings in Children with Spinal Muscular Atrophy
Joh Jong HUANGYuh Jyh JONGMing-Yii HUANGChi-Hsiun CHIANGTeh-Yang HUANG
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1996 Volume 37 Issue 2 Pages 239-242

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Abstract

Most of the patients in this study with spinal muscular atrophy were found to have tremors of the isoelectric line in the electrocardiogram (ECG) tracings. There were a total of 47 cases of SMA (mean age 40.8 months). All three types of SMA had a similar incidence (about 80%) of tremors in the tracings (p=0.885). In 7 cases the ECG tremors had an intermittent pattern.ECG tremors were commonly found in the majority of SMA patients and this finding, though non-specific, may suggest a possible SMA diagnosis.

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