Mathematical modelling of human cardiovascular-respiratory system responses to exercise in Rwanda
by Jean Marie Ntaganda; Japhet Niyobuhungiro; Wellars Banzi; Lydie Mpinganzima; Froduald Minani; Jean Bosco Gahutu; Vincent Dusabejambo; Immaculate Kambutse
International Journal of Mathematical Modelling and Numerical Optimisation (IJMMNO), Vol. 9, No. 3, 2019

Abstract: In this paper, we present a nonlinear dynamic model for the interactive mechanism of cardiovascular and respiratory system. The model is designed and analysed for human during physical exercises. In order toverify the adequacy of the designed model, data collected in Rwanda are used for validation. We have simulated the impact of heart rate and alveolar ventilation as controls of cardiovascular and respiratory system respectively to steady state response of the main cardiovascular hemodynamic quantities, i.e., systemic arterial and venous blood pressures, arterial oxygen partial pressure and arterial carbon dioxide partial pressure, to the stabilised values of controls. We used data collected in Rwanda for both male and female during physical activities. We obtained a good agreement with physiological data in the literature. The model may represent an important tool to improve the understanding of exercise physiology.

Online publication date: Sat, 29-Jun-2019

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