부산대학교 도서관

Summary: ``Cardiovascular (CV) variability as a primary vital sign carrying information about CV regulation systems is reviewed by pointing out the role of the main rhythms and the various control and functional systems involved. The high complexity of the addressed phenomena fosters a multimodal approach that relies on data analysis models and deals with the ongoing interactions of many signals at a time. The importance of closed-loop identification and causal analysis is remarked upon and basic properties, application conditions and methods are recalled. The need for further integration of CV signals relevant to peripheral and systemic haemodynamics, respiratory mechanics, and neural afferent and efferent pathways is also stressed.''