Word.ws English Dictionary

QT interval

QT interval noun: 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.

Noun

QT interval (plural QT intervals)

  1. 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.
    Synonyms:
    QT

Synonyms of QT interval

Forms of QT interval

pluralQT intervals

Questions about QT interval

What does QT interval mean?
QT interval means 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.
What part of speech is QT interval?
QT interval is a noun.
What is the plural of QT interval?
The plural of QT interval is QT intervals.

Words near QT interval in the dictionary

  1. QSSes
  2. QST
  3. QSU
  4. qt
  5. qt 3.14
  6. QT interval
  7. QT intervals
  8. QTA
  9. Qtard
  10. QTBIPOC
  11. QTC

Source and license

Adapted from Wiktionary: QT interval (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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