Aggregate P Wave Amplitude

**Semantic type:** Quantitative Concept

**Definition:** An aggregate P wave amplitude value based on the measurement of P 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:** - P Wave Amplitude, Aggregate - P Wave Amplitude, Aggregate - PWHTAG