Human Phenotype Ontology 
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..expandElevated RV/TLC ratio (HP:0033240)help
Term ID: 33240
Name: Elevated RV/TLC ratio
Synonym: Hyperinflation on pulmonary function test; Overinflation on pulmonary function test
Definition: An increase in the ratio of residual volume (RV) to total lung capacity (TLC) on pulmonary function testing. RV is the amount of air remaining aftermaximal expiration and TLC is the total amount of air in theungs at full inspiration. These volumes cannot be determined by spirometry, but can be measured by inert gas dilution, nitrogen washout, and (3) body plethysmography. An elevated RV/TLC can be interpreted as a sign of air trapping and hyperinflation.
Comments:
Reference: HP:0033240
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InputHPO IDHPO termDistanceGeneGene id entrezHGNC IDDiseaseIdDiseaseNameFrequencyOnsetHGMD variantsClinVar variants
 
HPO disease - gene - phenotype typical associations:
 
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0033240HP:0033240Elevated RV/TLC ratio0 CL E G H


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Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.