Neurophysiological tests of respiratory function by compound muscle action potentials from the diaphragm
نویسندگان
چکیده
منابع مشابه
Diaphragm interference pattern EMG and compound muscle action potentials: effects of chest wall configuration.
The effect of chest wall configuration on the diaphragm electromyogram (EMGdi) was evaluated in five healthy subjects with an esophageal electrode for both interference pattern EMGdi (voluntary contractions) and electrically evoked diaphragm compound muscle action potentials (CMAPs). Diaphragm CMAPs (both unilateral and bilateral) were evaluated for the baseline-to-peak amplitude (Ampl), the ti...
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15 صفحه اولDiagrammatic analysis of the respiratory action of the diaphragm.
During isolated phrenic nerve stimulation, the muscles of the diaphragm shorten by 40-50% of their optimal length, and the force in the muscle and transdiaphragmatic pressure (Pdi) depend on the final muscle length. The muscle shortening depends on the load imposed on the diaphragm by pleural and abdominal pressures during a particular maneuver. The mechanics of the interaction between the diap...
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چکیده ندارد.
15 صفحه اولThe effects of temperature on human compound action potentials.
The upper limbs of 10 healthy subjects were cooled and then warmed over physiological temperature ranges. The compound action potentials of median digital nerves, median sensory nerve at the wrist, radial sensory nerve at the wrist, and median thenar muscle, all showed progressive reduction in latency, amplitude, duration and area during rising temperature. Our studies suggest that the sensory ...
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ژورنال
عنوان ژورنال: The Journal of Bone and Joint Surgery. British volume
سال: 2000
ISSN: 0301-620X,2044-5377
DOI: 10.1302/0301-620x.82b5.0820695