TERMIUM Plus®

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INTERVALLE Q-T [1 record]

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Record 1 2020-04-20

English

Subject field(s)
  • Electrodiagnosis
  • Cardiovascular System
CONT

The QT interval on the ECG [electrocardiogram] is measured from the beginning of the QRS complex to the end of the T wave ... It represents the time it takes for the ventricles of the heart to depolarize and repolarize, or to contract and relax.

French

Domaine(s)
  • Électrodiagnostiques
  • Système cardio-vasculaire
CONT

L'intervalle QT se mesure du début du complexe QRS, qui correspond au début de la dépolarisation ventriculaire, à la fin de l'onde T, qui signe la fin de la repolarisation du ventricule.

OBS

[L'intervalle QT] est un marqueur électrocardiographique fondamental en électrophysiologie et en pharmacologie en raison d'un lien possible entre la durée et l'hétérogénéité du QT avec la survenue d'arythmies ventriculaires potentiellement fatales.

Spanish

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