HRVn
HRVn is an acronym that appears in a small number of publications across different fields, and there is no widely accepted, single definition. In biomedical literature, HRVn is sometimes used to denote a normalized form of heart rate variability (HRV), where the variability measure is adjusted for factors such as mean heart rate or breathing pattern to enable comparisons between individuals or conditions. The exact normalization method is not standardized, and different studies may apply different procedures, so reported values of HRVn can vary with protocol.
In computational and systems contexts, HRVn has been used as an identifier for projects or models in
Because HRVn is not a widely established term, reliability and meaning depend on the source. Citations should
As a result, most general references to HRVn point readers toward established concepts such as heart rate