QT intervals

A form of QT interval — A measurement made on an electrocardiogram, calculated as the time from the start of the Q-wave to the end of the T-wave, and approximates to the time taken from when the cardiac ventricles start to contract to when they finish relaxing.

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Meanings

noun
  1. pluralplural of QT interval
Cite this entry
APA

QT intervals. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/QT%20intervals

MLA

“QT intervals.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/QT%20intervals. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “QT intervals,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/QT%20intervals.

Source: QT intervals on Wiktionary, CC BY-SA 4.0.