Single Beat QT Interval

**Semantic type:** Quantitative Concept

**Definition:** An electrocardiographic interval measured from the onset of the QRS complex to the offset of the T wave of a single beat utilizing one or more leads. (CDISC)

**Synonyms:** - QT Interval, Single Beat - QT Interval, Single Beat - QT Interval, Single Beat - QTSB - QTSB