Mean QA Interval

**Semantic type:** Quantitative Concept

**Definition:** The calculated average time period between the recording of a Q wave on ECG and the onset of the aortic blood pressure pulse as determined over a number of cardiac cycles during a given interval of time.

**Synonyms:** - QAMEAN - QAMEAN - Summary (Mean) QA Interval - Summary (Mean) QA Interval - Summary (Mean) QA Interval