A procedure using a flexible tube with a camera to examine the esophagus, stomach, and duodenum.
Why it’s done:
- Heartburn, nausea, vomiting
- Suspected ulcers, gastritis, or cancer
- Biopsy or treatment of bleeding
Preparation:
- Fast 6–8 hours
- Stop blood thinners if advised
What to expect:
- Sedation given
- Scope passed through mouth
- Takes 10–20 minutes
Risks:
- Sore throat, bloating
- Rare bleeding or perforation
Follow-up:
- Results in 3–5 days
- Resume diet after recovery
