Rare diseases · Sign or symptom
Abnormal QT interval
HP:0031547
What it means
Any anomaly of the time interval between the start of the Q wave and the end of the T wave as measured by the electrocardiogram (EKG).
Part of the broader category
Abnormal QT interval
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.