Finding
T-wave alternans
Definitions related to t-wave alternans:
  • A periodic beat-to-beat variation in the amplitude or shape of the T wave in an EKG.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • (t wave alternans by ecg finding) An electrocardiographic finding in which there are variations in the shape, amplitude, or direction of the T wave from one beat to the next.
    NCI
    U.S. National Cancer Institute, 2021
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