Berg, B. van den

patient pressure ventilation ventilator study volume effect breathing intake inspiratory muscle failure expiratory period support ventilatory support measurement ventilatory increase nutrition value group system protein difference airway change level enteral chest wall curve weight protein intake ventilator-peep carbohydrate disease flow-volume enteral nutrition end-expiratory postabsorptive state chest airway pressure method figure endotracheal tube esophageal pressure weight loss inspiratory work result expiration state function recoil pressure chapter order expiratory flow-volume curves respir relationship energy occlusion minute ventilation endotracheal end-expiratory pressure capacity peepi minute table ventilatory drive resistance decrease recoil end-expiration technique end-expiratory lung volume calorie intake postabsorptive body weight expiratory flow valve condition