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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:Abnormal ventricular axis
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Accession:HP:0033566 term browser browse the term
Definition:Any deviation from the normal direction of the ventricular axis. The left ventricle makes up most of the heart muscle under normal circumstances and therefore generates the most electrical force visible on the EKG. The normal ventricular axis is directed downward and slightly towards the left. The ventricular axis can be determined by analyzing the QRS complex, which represents ventricular depolarization.
Comment:The normal adult QRS axis is between -30 degrees and +90 degrees, which is directed downward and to the left.
Synonyms:exact_synonym: Abnormal QRS axis


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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the cardiovascular system 0
        Abnormal cardiovascular system physiology 0
          Abnormality of cardiovascular system electrophysiology 0
            Abnormal EKG 0
              Abnormal ventricular axis 0
                Extreme axis deviation 0
                Indeterminate ventricular axis 0
                Left axis deviation 0
                Right axis deviation 0
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