ST Segment Deviation Aggregate

**Semantic type:** Quantitative Concept

**Definition:** An aggregate ST segment deviation value based on the measurement of ST segment deviation from multiple beats within a single ECG. The method of aggregation, which can vary, is typically a measure of central tendency such as the mean. (CDISC)

**Synonyms:** - ST Segment Deviation, Aggregate - ST Segment Deviation, Aggregate - STDVAG