Phase ii:a very rapid increase in peco2, which represents exhalation of mixed air. After the end of phase 3, the patient inhales again, bringing clear. Understanding The Arterial To End Tidal Co2 Gradient Pa-etco2 End tidal carbon dioxide monitoring in acute asthma: Low end tidal co2 treatment . Tolin df(1), billingsley al(2), hallion ls(2), diefenbach gj(3). On the other hand, a high co2 reading may indicate airway narrowing, airway obstruction, or respiratory distress. A prospective pilot study in emergency department patients. Most medical sources define hypocapnia as less than 35 mm hg for partial co2 pressure in the arterial blood. 15 the main objective of this work was. Clinical data from the 86 patients of the neutrophil activation in systemic anaphylaxis (nasa) multicentre study were analysed. If we accept the premise that end tidal co 2 is an independent predictor of a severe anaphylactic reaction, then what are the implications for treatment? This may re...