Recent advances in gas exchange measurement in intensive care patients

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Presentation transcript:

Recent advances in gas exchange measurement in intensive care patients T.S. Walsh British Journal of Anaesthesia Volume 91, Issue 1, Pages 120-131 (July 2003) DOI: 10.1093/bja/aeg128 Copyright © 2003 British Journal of Anaesthesia Terms and Conditions

Fig 1 Continuous recording of metabolic data during routine ICU care. The dramatic effects of physiotherapy and patient movement on metabolic rate are evident. British Journal of Anaesthesia 2003 91, 120-131DOI: (10.1093/bja/aeg128) Copyright © 2003 British Journal of Anaesthesia Terms and Conditions

Fig 2 Continuous recording of V˙O2 during a weaning trial from pressure support ventilation in a patient with prolonged ventilatory support. Stepwise changes in inspiratory pressures are indicated by arrows. The V˙O2 increases dramatically, in association with weaning failure. Weaning failure occurred despite only modest increases in the ventilatory frequency/tidal volume ratio. Each data point represents the mean of 5 min metabolic or respiratory data. British Journal of Anaesthesia 2003 91, 120-131DOI: (10.1093/bja/aeg128) Copyright © 2003 British Journal of Anaesthesia Terms and Conditions