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HUMAN PHENOTYPE - ANNOTATIONS

The Human Phenotype Ontology (HPO) is downloaded weekly from http://compbio.charite.de/hudson/job/hpo/lastStableBuild/artifact/ontology/release/hp.obo. The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at http://www.human-phenotype-ontology.org/.
Term:EMG: incremental response of compound muscle action potential to repetitive nerve stimulation
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Accession:HP:0030206 term browser browse the term
Definition:A compound muscle action potential (CMAP) is a type of electromyography (EMG). CMAP refers to a group of almost simultaneous action potentials from several muscle fibers in the same area evoked by stimulation of the supplying motor nerve and are recorded as one multipeaked summated action potential. This abnormality refers to an abnormal increase in the amplitude during the course of the investigation.
Comment:This feature may be observed with Lambert-Eaton Myasthenic Ssyndrome.
Synonyms:xref: UMLS:C4022579


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  Human phenotype 95636
    Phenotypic abnormality 95258
      Abnormality of the musculoskeletal system 14128
        Abnormality of the musculature 3811
          Abnormal muscle physiology 3009
            EMG abnormality 309
              EMG: impaired neuromuscular transmission 36
                EMG: incremental response of compound muscle action potential to repetitive nerve stimulation 0
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