心血管功能对气体交换的影响。
The influence of cardiovascular function on gas exchange.
作者信息
Dantzker D R
出版信息
Clin Chest Med. 1983 May;4(2):149-59.
PMID:6851459
Abstract
Alterations in cardiovascular function may play a major role in determining pulmonary gas exchange and thus significantly influence the gas composition of the arterial blood. The influence of the cardiovascular system may be exerted through changes in the PvO2 or by directly altering the distribution of ventilation and blood flow in the lung. Although this relationship is difficult to clinically assess, it must always be considered when interpreting changes in the arterial blood gases of patients with cardiopulmonary dysfunction.
摘要
心血管功能的改变可能在决定肺气体交换中起主要作用，从而显著影响动脉血的气体成分。心血管系统的影响可能通过混合静脉血氧分压（PvO2）的变化来发挥作用，或者通过直接改变肺内通气和血流的分布来实现。尽管这种关系在临床上难以评估，但在解释心肺功能不全患者动脉血气变化时必须始终予以考虑。
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