2.2.3. Administration of Nitrous Oxide via Nasal Mask
tell-show-do
The nitrous oxide was administered by applying the nasal mask using techniques such as tell-show-do and euphemisms. Initially providing 100% oxygen for 2-3 minutes, the flow rate was determined. Subsequently, a preset combination of nitrous oxide and oxygen, ranging from 30% to 70%, was administered using a Consed (Consed International, Kerala, India) analgesia machine. The patient's acceptance of the nasal mask was assessed using a scale developed by Wood in 2010 [