case_images: PMC7273580_01
case_images: A morbidly obese patient with Prader-Willi syndrome.
case_images: 10.1177_2050313X20927616-fig1.jpg
case_images: PMC7273580_01_10.1177_2050313X20927616-fig1.jpg
case_images: fig1-2050313X20927616
case_images: PaCO2 of 43 mm Hg, a PaO2 of 92 mm Hg, and an oxygen saturation of 97%. Preoperative evaluation revealed a small mandible and a Mallampati class IV airway (Figure 1).