qt interval

Fetched 2026-10-26 (cache).

Synonyms: qrs interval, qrst interval

Antonyms: qrs interval, qrst interval

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|medicine|cardiology|physiology}} 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.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.