Human Phenotype Ontology 
Grandparent Node:
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Abnormal cardiac test (HP:0500015)help
Grandparent Node:
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Abnormality of cardiovascular system electrophysiology (HP:0030956)help
Parent Node:
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Abnormal EKG (HP:0003115)help
..Starting node
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Abnormal T-wave (HP:0005135)help
Term ID: 5135
Name: Abnormal T-wave
Synonym: EKG: T-wave abnormalities; T-wave abnormalities
Definition: An abnormality of the T wave on the electrocardiogram, which mainly represents the repolarization of the ventricles.
Comments:
Reference: HP:0005135
Genes and Diseases: SELECT DISTINCT 'HP:0005135' 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:0005135' AND g.term1_id = t.id AND g.distance <=20 AND t2.id = g.term2_id) order by g.distance, gene, DiseaseName;