Models of Neural Cardiovascular Control in Horses

P. Kozelek and J. Holcik (Czech Republic)


Modelling, simulation, autonomic nervous system, heart control


Shortening of RR intervals is often associated with pro longing QT intervals in dynamic studies of the cardiovas cular activity in horses. This behaviour is typical, but not the only one in equine heart. We designed several original mathematical models describing all types of relationships RR/QT. The model structures were based on principles of the heart activity control by both the vegetative neural branches. The obtained simulation results showed that the most important parameter for explaining various types of RR/QT relationships in the dynamic experiment is balance between activities of neural branches in the heart.

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