Nasal Mask Kit in Gastrointestinal Endoscopy
Conditions
- Hypoxia
- Gastric Cancer
- Gastric Polyp
- Colon Polyp
- Colon Cancer
- Esophageal Cancer
Interventions
- DEVICE: nasal mask oxygen kit
- DEVICE: regular nasal cannula
Sponsor
RenJi Hospital
Collaborators
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