Any form of positive-pressure ventilation is deleterious during cardiac arrest because the increase in intrathoracic pressure decreases venous return to the heart and perfusion of the heart and brain.是什么意思_Any form of positive-pressure ventilation is deleterious during cardiac arrest because the increase in intrathoracic pressure decreases venous return to the heart and perfusion of the heart and brain.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句