Chinese medical sciences journal = Chung-kuo i hsüeh k'o hsüeh tsa chih / Chinese Academy of Medical Sciences
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To investigate clinically useful markers for determining the severity of hemorrhagic shock and adequacy of resuscitation. ⋯ Arterial blood gases fail to reflect the acid-base status of tissues during hemorrhagic shock. The differences in PCO2 and pH values between arterial and mixed venous blood could be used as clinical indicators for assessing the severity of shock and efficacy of resuscitation.