T Wave Amplitude Aggregate

**Semantic type:** Quantitative Concept

**Definition:** An aggregate T wave amplitude value based on the measurement of T wave amplitudes 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:** - T Wave Amplitude, Aggregate - T Wave Amplitude, Aggregate - TWHAG