Daily rhythm of blood pressure and variational pulse indices during clinoorthostatic test in children and teenagers with vegetative dystonia syndrome has been studied. The disorganized daily rhythm in parameters of variational rythmopulsometry has been revealed. Itvariates with different types of clinoorthostatic test. 43% of examined patients have demonstrated changes in the type of blood pressure reaction on orthostasis during 24 hours. This phenomenon indicates that vegetative reactivity and vegetative supply of activity during different day periods are not stable in patients with vegetative dystonia syndrome
