Chronobiology of blood pressure

The chronobiology of blood pressure is a useful tool for examining serial d ata to quantify the dynamics of variability. The implications and applicati ons for diagnosis and therapy are discussed, with clinical examples. The ch ronobiological patterns of hypertension are described. Chronobiology can make a real contribution to the prevention of disease.Chr onobiology helps diagnose circadian hyper-amplitude-tension (CHAT), a condi tion in which excessive circadian BP amplitude precedes chronic established hypertension.