Human Phenotype Ontology 
Grandparent Node:
expand
Abnormal left ventricular function (HP:0005162)help
Parent Node:
expand
Abnormal echocardiogram (HP:0003116)help
Parent Node:
expand
Left ventricular systolic dysfunction (HP:0025169)help
..Starting node
..expand
Reduced left ventricular ejection fraction (HP:0012664)help
Term ID: 12664
Name: Reduced left ventricular ejection fraction
Synonym: Reduced ejection fraction
Definition: A diminution of the volumetric fraction of blood pumped out of the ventricle with each cardiac cycle.
Comments:
Reference: HP:0012664
Genes and Diseases: SELECT DISTINCT 'HP:0012664' AS Input, t2.acc as HPO_ID, t2.name as HPO_term, g.Distance, t1.Entrez_gene AS Gene, t1.Entrez_gene_id AS Gene_id_entrez, t1.HGNC_ID, t1.DiseaseId, t1.DiseaseName, t1.Frequency, t1.Onset #, t1.ConceptID, Source, t1.Typical_association , h.Variants AS HGMD_variants, c.variants AS ClinVar_variants FROM hpo202212.graph_path AS g, hpo202212.term AS t, hpo202212.term AS t2 LEFT JOIN hpo202212.hpo_phenotype_to_genes as t1 ON (t1.HPO = t2.acc) LEFT JOIN gb_exome.clinvar_variation_latest_sum AS c ON ( c.Gene = t1.Entrez_Gene) LEFT JOIN gb_exome.hgmd_allmumt_sum_latest AS h ON (h.gene = t1.Entrez_Gene ) WHERE (t.acc ='HP:0012664' AND g.term1_id = t.id AND g.distance <=20 AND t2.id = g.term2_id) order by g.distance, gene, DiseaseName;