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Fig. 1 | Ain-Shams Journal of Anesthesiology

Fig. 1

From: A comparative study between high-flow nasal oxygen therapy and venturi mask oxygen therapy for postoperative laparoscopic bariatric surgery patients with atelectasis: a randomized clinical trial

Fig. 1

High-flow nasal oxygen therapy algorithm. *1: Thoraco-abdominal asynchrony and/or persistent auxiliary muscle use. *2: The table shows escalation and de-escalation of oxygen in the HFNO2 group (Table 2). *3: Respiratory rate <25 breath/min or SpO2 ≥90%, no increased work of breathing. ABG, no respiratory acidosis (PH>7.35), no CO2 rise for > or = 10 mmHg; HFNO2, high-flow oxygen therapy; VMO2, venturi mask oxygen therapy; NIPPV, non-invasive positive pressure ventilation; IPPV, invasive positive pressure ventilation; SpO2, oxygen saturation

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