PMC5341657_01
Simple (red) rubber catheter with blunt tip and side hole.
AER-11-243-g001.jpg
PMC5341657_01_AER-11-243-g001.jpg
F1
He was preoxygenated with nasal prong at 4 L/min and neck was turned on one side and intermittent suction was done on dependent cheek with a red rubber catheter [Figure 1].