Rare diseases · Sign or symptom

Abnormal T-wave

HP:0005135

What it means

An abnormality of the T wave on the electrocardiogram, which mainly represents the repolarization of the ventricles.

Rare diseases that can present with this13

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: EKG: T-wave abnormalities · T-wave abnormalities

Abnormal T-wave

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This 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.