case_images: PMC9674526_01
case_images: PMC9674526_02
case_images: cyanosis on our patient s lips
case_images: PAMJ-43-20-g001.jpg
case_images: PMC9674526_02_PAMJ-43-20-g001.jpg
case_images: F1
case_images: Clinical findings: the patient presented with tachypnea at 41 cycles per minute, and desaturation at 68% on room air with cyanosis (Figure 1).