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"Assessing trauma patient risk using non-invasive indicators"
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SubjectCritical care medicine.; Diagnosis, Noninvasive.; Cardiovascular system--Diseases--Treatment.; Cardiovascular system--Physiology.
Non-invasive indicators of a trauma patient's risk of cardiovascular collapse are needed. Exhaled alveolar air (end-tidal air) and skin surface are available non-invasively and have physiologic reasons to relate to trauma patient risk. We investigated the combined relationships between end-tidal PCO2 and systemic blood flow and skin PCO2 and base deficit (an indicator of systemic metabolic insult).