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Patient: Hello, I would like to make an appointment for a gastroscopy.
Receptionist: Certainly. We will schedule a preliminary consultation first to check your symptoms and explain the procedure.

Nurse: Please remember to follow a dietary restriction and fast after 9 p.m. the day before the test.
Patient: So, I can drink water after 9 p.m., but no food at all?
Nurse: Yes, that’s correct.

Nurse (on the day of the procedure): Before the examination, you’ll take an anti-foaming agent and receive throat anesthesia to reduce discomfort.
Patient: Will this help with any pain during the procedure?
Nurse: Yes, it helps significantly.

Doctor: Now, I will perform the endoscope insertion and begin observation of your stomach.
Patient: Will it be painful?
Doctor: You might feel some discomfort, but it should only take around 5 to 10 minute

Nurse (after the procedure): Please stay in the recovery room for post-examination rest for about 30 minutes.
Patient: When can I eat or drink again?
Nurse: Please wait at least one hour after the examination before eating or drinking.

Doctor: After reviewing the images, I will give you an explanation of results. If we took samples, the biopsy findings may take a few days.
Patient: Will I get some results today?
Doctor: Yes, some preliminary results are available today.

Patient: Hello, I would like to schedule an appointment for a colonoscopy.
Receptionist: Certainly. We will first arrange a preliminary consultation to discuss your medical history and explain the procedure.

Nurse: Please follow the bowel preparation instructions by taking the prescribed laxative and adhering to the dietary restrictions before the exam.
Patient: I have completed the bowel preparation and taken the laxative as instructed.

Nurse (on the day of procedure): Please submit your signed consent form and change into the examination gown.
Patient: All set. What should I expect during the procedure?

Doctor: We will perform colonoscope insertion through the anus and begin observation of your colon. If we find any polyps, we can remove them using the polypectomy snare.
Patient: Will the procedure be painful?
Doctor: With sedation, most patients feel minimal discomfort. The procedure typically takes about 20 to 30 minutes.

Nurse (after the procedure): You will rest in the recovery room for post-examination rest for approximately 30 minutes.
Patient: When can I eat or drink afterward?
Nurse: You should wait at least one hour before eating or drinking. Avoid driving yourself for the rest of the day.

Doctor: After reviewing the images, I will give you an explanation of results. If biopsies were taken, pathology reports may take a few days.
Patient: Can I get some results today?
Doctor: Yes, some preliminary findings can be shared today.

Comprehensive Guide to Endoscopy

1. What is Endoscopy?

An endoscopy is a medical procedure using a flexible tube with a camera (called an endoscope) to visualize the inside of the digestive tract. There are several types, including gastroscopy (for the stomach) and colonoscopy (for the colon), as well as specialized procedures such as the upper gastrointestinal (GI) X-ray examination (also known as the barium swallow test).

2. Types of Endoscopic Examinations

• Gastroscopy: Also called gastroscopic examination, this is performed to inspect the stomach and upper digestive tract.
• Colonoscopy: Examination of the colon or large intestine.
• Upper gastrointestinal (GI) X-ray examination/Barium swallow test: X-ray imaging with a contrast agent to view the upper digestive system.

3. Booking an Appointment and Preliminary Consultation

To undergo an endoscopy, you need to book an appointment at the clinic or hospital. Prior to the test, a preliminary consultation is usually conducted to review your symptoms, medical history, and to explain the purpose and process of the procedure.

“Please make an appointment for your gastroscopy and come in for a preliminary consultation.”

4. Preparation before the Procedure

For Gastroscopy:

• Dietary restriction: Eat only easily digestible foods the day before, and finish your meal by 9 p.m.
• Fasting: No food after 9 p.m. Drink water only as directed.

“Observe the dietary restriction and commence fasting as instructed.”

For Colonoscopy:

• Bowel preparation: Eat a low-residue diet and avoid fibrous foods or seeds for several days prior.
• Laxative: Take the prescribed laxative the evening before and/or morning of the examination to empty the colon.

“Follow the instructions for bowel preparation and take your laxative as prescribed.”

5. On the Day: Check-in and Consent

When you arrive at the facility:

• Submit your consent form.
• Change into an examination gown.
• Staff will confirm your preparation status.

“Please submit your signed consent form and change into the examination gown.”

6. Before the Procedure

You may receive preparatory medications such as:

• Anti-foaming agent: To reduce bubbles and clear visibility.
• Throat anesthesia: For gastroscopy, this numbs the throat to minimize discomfort.
• Sedative: May be given for comfort, especially before a colonoscope insertion.

7. During the Examination

• For gastroscopy, the endoscope insertion is performed via the mouth or nose. The doctor will start observation of the esophagus, stomach, and duodenum.
• For colonoscopy, the colonoscope insertion is through the anus to observe the colon.
• As needed, the doctor may:
  • Perform a biopsy (collect a tissue sample with biopsy forceps)
  • Remove polyps using a polypectomy snare
  • Control bleeding with a hemostatic device
• The exam is displayed in real time on the endoscopy monitor.

8. After the Procedure

• Rest in the recovery room for post-examination rest (generally for 20–30 minutes if sedatives were used).
• Refrain from eating or drinking for at least one hour or as advised, especially if a biopsy was performed.
• Operation/procedure reports and images are reviewed with you by your physician.

“You will rest in the recovery room for about 30 minutes. Please wait at least one hour before eating or drinking.”

9. Results and Explanation

• The doctor will provide an explanation of results based on the exam findings.
• If tissue samples were taken, a pathology report or biopsy result may take several days.

“After reviewing your images, we will give a thorough explanation of results. If a biopsy was performed, the results will be available in a few days.”

10. Common Equipment

• Endoscope
• Gastroscope (for stomach)
• Colonoscope (for colon)
• Biopsy forceps
• Polypectomy snare
• Hemostatic device
• Endoscopy monitor
• Suction device
• Balloon dilator
• Electrocautery

11. Safety and Follow-up

Endoscopic procedures are generally safe, but potential risks (bleeding, infection, perforation) will be explained, and informed consent is mandatory.

If abnormal findings are discovered, your physician will discuss further investigation or treatment based on the endoscopic findings and pathological diagnosis. A follow-up recommendation may be provided as needed.