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- Title
Automatic analysis of heart rate variation: II. Findings in patients attending an EMG laboratory.
- Authors
Nogués, Martin A.; Stålberg, Erik V.
- Abstract
An automatic method was used to measure the heart rate variation with breathing in patients with different neuromuscular conditions attending a laboratory of electromyography (EMG). The objective was to determine the frequency of abnormalities in various conditions and the relationship between R-R variation and different nerve conduction parameters. The percentages of reduced R-R variation were 73% in diabetics, 35% in Guillain-Barré syndrome, 22% in amyotrophic lateral sclerosis, and 50% in amyloidosis. R-R variation in diabetics was significantly correlated to most parameters of nerve conduction. In Guillain-Barré syndrome it correlated significantly with the ulnar and median M-response amplitudes. Most patients with myopathies showed normal R-R variation.
- Publication
Muscle & Nerve, 1989, Vol 12, Issue 12, p1001
- ISSN
0148-639X
- Publication type
Article
- DOI
10.1002/mus.880121208