11/5/2023 0 Comments Dead space ventilation definition![]() ![]() Surprisingly, however, in virtually all studies evaluating respiratory mechanics in ARDS or in COVID-19 patients, the instrumental dead space is not provided nor mentioned, even when V D/V T is evaluated! The different parts of the dead space in mechanically ventilated are as follows. Many studies showed its large impact on the work of breathing during assisted ventilation and on alveolar ventilation during controlled ventilation. Often, the instrumental dead space is overlooked during mechanical ventilation. ![]() What is the dead space during invasive mechanical ventilation? Consequently with low tidal volumes and high respiratory rates the weight of the dead space (also referred to as VD/VT) is automatically increased. The alveolar ventilation is defined as the respiratory rate times (tidal volume – dead space volume). ![]()
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