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Thc application of mechanical ventilatory support can affect both haemodynamic and energetic cardiovascular variables. The aim of our computer simulation was to trace the influence of positive pressure ventilation on external work (EW) of the natural ventricle, cardiac mechanical efficiency (CME) and pressure volume area (PVA). Physiological and pathological conditions of the heart were reproduced...
A computer model of lung-ventilator system has been developed to simulate distribution of ventilation in non-homogeneous lungs. This 5-element model enables to separate pathologically changed part of the lungs from the healthy one. Two major mechanical parameters of the human respiratory system are taken into account: airways resistance and lung compliance. These parameters are modelled as linear,...
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