๐ Endoscopy Center · Apgujeong Hana Clinic
Same-Day Endoscopy Seoul
English-supported combined gastroscopy and colonoscopy in one planned visit in Gangnam—coordinating one preparation period, one sedation and recovery pathway, upper and lower GI examination, biopsy or polyp management when clinically indicated, and clear follow-up.
โ
Gastroscopy + colonoscopy
โ
One coordinated appointment
โ
English preparation support
Combined Endoscopy Day Plan
One visit
โฌ๏ธ
UPPER GI
GASTROSCOPY
GASTROSCOPY
OESOPHAGUS · STOMACH
Visual exam and biopsy if indicated
โฌ๏ธ
LOWER GI
COLONOSCOPY
COLONOSCOPY
COLON · RECTUM
Screening, biopsy or polyp work
โท
SAME
APPOINTMENT
APPOINTMENT
Check-in
Recovery
PREPARATION
Colonoscopy bowel preparation plus fasting instructions
COMFORT
Shared sedation assessment and monitoring pathway
FOLLOW-UP
Combined visual findings and pathology plan
๐
Two Examination Areas
The upper digestive tract and colon are assessed during one coordinated visit.
๐ค
One Recovery Period
When sedation is used, recovery and transport planning are combined.
๐ฃ๏ธ
English Guidance
Preparation, consent, results and next steps are explained clearly.
โ
Combined Gastroscopy & Colonoscopy
โ
Individual Suitability Assessment
โ
English Preparation & Recovery Guidance
โ
Apgujeong · Gangnam
What Is Same-Day Endoscopy?
Upper and lower GI endoscopy completed during one planned appointment.
Same-day endoscopy usually means gastroscopy and colonoscopy are scheduled together when both procedures are medically appropriate.
Gastroscopy examines the oesophagus, stomach and duodenum. Colonoscopy examines the rectum and colon and may also allow biopsy or removal of suitable polyps.
The combined approach can reduce separate visits and repeat recovery planning, but it still requires full colonoscopy bowel preparation, fasting, medication review and an individual sedation assessment.
โฌ๏ธ
Gastroscopy
A thin camera passes through the mouth to inspect the upper digestive lining and collect small samples when indicated.
โฌ๏ธ
Colonoscopy
A flexible camera passes through the anus to examine the colon and rectum, with biopsy or polyp removal when appropriate.
“Same-day” means one pre-arranged combined appointment—not an automatic walk-in service
Availability depends on clinical need, preparation quality, health history, sedation suitability, appointment capacity and whether both procedures are appropriate at the same visit.
When A Combined Examination May Be Considered
Some patients need both upper and lower digestive evaluation.
The doctor decides whether both procedures are needed based on symptoms, screening needs, anaemia, bleeding risk, previous findings and overall medical safety.
Iron-Deficiency Anaemia
Evaluation may require investigation of possible blood loss or disease in both the upper and lower digestive tract.
Unexplained GI Bleeding
Black stool, rectal bleeding, a positive stool test or unexplained blood loss may lead to broader endoscopic assessment.
Upper GI Symptoms + Screening
Reflux, upper abdominal discomfort or swallowing concerns may be assessed alongside a clinically due colonoscopy.
Multiple Digestive Symptoms
Upper abdominal symptoms together with bowel changes, diarrhoea, constipation or lower abdominal pain may require separate investigations on one day.
Previous Findings or Family Risk
Prior polyps, gastric findings or relevant family history may influence the need for upper and lower surveillance.
Coordinated International Care
A combined appointment may reduce repeated travel when both procedures are independently indicated and medically suitable.
Why Coordinate Both Procedures?
One appointment can simplify logistics without reducing the need for careful preparation.
๐๏ธ
One visit does not mean a shorter clinical assessment.
Both examinations still require consent, medication review, monitoring, careful technique and recovery. The benefit is coordination—not skipping safety steps.
๐
One Transport Plan
When sedation is used, pickup and post-procedure supervision can be arranged once.
๐ค
One Sedation Episode
When clinically appropriate, both procedures may be completed within one monitored sedation pathway.
๐
One Coordinated Report
Upper and lower findings can be reviewed together when planning next steps.
โฑ๏ธ
Reduced Repeat Visits
Eligible patients may avoid separate check-in, fasting and recovery days.
What Each Examination Can Assess
The two procedures answer different clinical questions.
Oesophagitis & Reflux Injury
Gastroscopy can assess inflammation, narrowing, Barrett’s-related changes and other causes of swallowing or reflux symptoms.
Gastritis & Ulcers
The stomach and duodenum can be examined for inflammation, ulceration, bleeding and suspicious mucosal changes.
H. pylori Evaluation
Small stomach biopsies may be collected for Helicobacter pylori testing when clinically appropriate.
Colon Polyps
Colonoscopy can detect polyps, and suitable lesions may be removed for pathology during the same procedure.
Colitis & Inflammation
The colon lining can be inspected for inflammatory change, ulcers and other causes of diarrhoea or bleeding.
Colorectal Cancer Screening
Colonoscopy can detect precancerous polyps and colorectal cancer, with timing based on age, risk and local guidance.
Preparing For Both Procedures
Colonoscopy preparation and upper-endoscopy fasting must both be followed.
Your clinic instructions take priority over general information. Preparation products, timing, allowed fluids and medicine adjustments vary by patient and appointment time.
01
Several Days Before
Confirm health conditions and all medicines. Follow any low-residue diet, supplement, iron, blood-thinner or diabetes-medicine instructions provided.
02
The Day Before
Follow the prescribed diet and bowel-preparation plan. Drink the instructed solution and permitted clear fluids according to the clinic timetable.
03
Procedure Morning
Complete any second bowel-preparation dose and stop liquids at the exact time stated. Do not guess the fasting cut-off.
04
Arrival & Transport
Bring medicine information and arrange an adult escort or transport when sedation instructions require it.
A clean colon is essential for a useful colonoscopy
Incomplete bowel preparation can hide polyps and other lesions, prolong the examination or require the colonoscopy to be repeated. Contact the clinic if you cannot complete the preparation or continue passing solid stool.
Medication & Health Review
Combined endoscopy requires an individual safety plan.
๐ฉบ
Do not stop important medicine independently.
The doctor or endoscopy team will tell you whether and how to adjust medicines. The correct plan depends on the drug, procedure risk and the reason you take it.
๐ฉธ
Blood Thinners
Anticoagulants and antiplatelet medicines require specific instructions, especially when biopsy or polyp removal may occur.
๐
Diabetes Medicines
Insulin and tablets may need adjustment because food intake and bowel preparation change before the procedure.
โ๏ธ
GLP-1 Medicines
Tell the clinic about semaglutide, tirzepatide, liraglutide and similar medicines so personalised fasting and procedure instructions can be given.
๐ซ
Heart, Lung & Kidney Conditions
Fluid intake, bowel preparation and sedation planning may require additional assessment.
๐ด
Sleep Apnoea or Sedation History
Report CPAP use, difficult sedation, allergies and previous anaesthesia complications.
๐คฐ
Pregnancy Possibility
Pregnancy or possible pregnancy should be disclosed before bowel preparation, sedation or endoscopy.
Your Same-Day Procedure Flow
Assessment, two examinations and recovery are coordinated as one pathway.
๐
Check-In & Review
Preparation quality, medicines, consent, allergies and sedation suitability are confirmed.
๐ฉบ
Monitoring Begins
Vital signs and comfort are monitored; throat spray or sedation may be used according to the plan.
โฌ๏ธ
Gastroscopy
The upper GI tract is examined and small samples may be collected when indicated.
โฌ๏ธ
Colonoscopy
The colon is examined; suitable polyps may be removed or biopsies collected.
โ
Recovery & Results
After monitoring, preliminary findings and written aftercare instructions are provided.
Procedure order is decided by the endoscopy team
Gastroscopy is often completed before colonoscopy during a combined visit, but the clinical team determines the safest and most appropriate sequence for the individual patient.
Sedation, Comfort & Recovery
One combined visit still requires careful monitoring and post-sedation restrictions.
Sedation Assessment
The option and depth of sedation depend on health history, anxiety, expected procedure complexity and clinic resources.
Continuous Monitoring
Breathing, pulse, oxygen and blood pressure are monitored according to the sedation and procedure plan.
No Independent Driving
After intravenous sedation, arrange transport and avoid driving, alcohol, machinery and important decisions for the instructed period.
Temporary Bloating
Air or carbon dioxide used during colonoscopy may cause bloating, cramping or gas for a short time.
Temporary Throat Discomfort
A mild sore throat, hoarseness or fullness can occur after gastroscopy and usually improves.
Eating Afterward
Follow the discharge instructions about drinking and eating, especially after throat anaesthetic, biopsy or polyp removal.
Biopsy, H. pylori & Polyp Removal
Diagnostic sampling or treatment may be completed during the same appointment.
๐งซ
Upper GI Biopsy
Small tissue samples may be collected from the oesophagus, stomach or duodenum to investigate inflammation, infection or suspicious changes.
๐ฆ
H. pylori Testing
When appropriate, stomach samples may be tested for Helicobacter pylori. Results may require laboratory processing.
โญ
Colon Polyp Removal
Suitable polyps may be removed during colonoscopy and sent for pathology. Large or complex lesions may require a separate specialist plan.
Visual findings and pathology results are not the same
The doctor may explain what was seen after recovery, but biopsy and polyp pathology usually becomes available later. Follow-up timing depends on the findings and laboratory processing.
Risks & Safety
Endoscopy is commonly performed, but complications are possible.
๐ Possible Temporary Effects
โ
Bloating, gas or mild abdominal cramping after colonoscopy.
โ
Mild sore throat or temporary swallowing discomfort after gastroscopy.
โ
Drowsiness, nausea or reduced coordination after sedation.
โ
A small amount of bleeding after biopsy or polyp removal may occur.
โ
Temporary appetite or bowel-pattern changes after preparation.
โ ๏ธ Important Complications
!
Significant bleeding, especially after polyp removal or biopsy.
!
Perforation or a tear in the digestive tract.
!
Aspiration, breathing or cardiovascular complications related to sedation.
!
Infection or a serious reaction to medicine.
!
Incomplete examination because of poor preparation, anatomy or safety concerns.
Seek Prompt Medical Advice
Severe or worsening symptoms after endoscopy require assessment.
๐ฉธ
Heavy or Persistent Bleeding
Large amounts of blood, clots, repeated black stool or increasing bleeding should be assessed urgently.
๐ค
Severe Abdominal or Chest Pain
Strong, persistent or worsening pain—especially with a rigid abdomen—requires prompt medical review.
๐ก๏ธ
Fever or Chills
Fever, shaking chills or feeling progressively unwell after the procedure may indicate a complication.
๐ซ
Breathing Difficulty
Shortness of breath, chest tightness, blue lips or unusual sleepiness requires emergency care.
๐คฎ
Repeated Vomiting
Persistent vomiting, inability to keep fluids down or vomiting blood needs urgent evaluation.
๐ซ
Fainting or Severe Weakness
Collapse, confusion, severe dizziness or signs of dehydration should not be ignored.
Apgujeong, Gangnam
Same-day gastroscopy and colonoscopy support in English.
Apgujeong Hana Clinic coordinates upper and lower endoscopy for eligible patients who require both examinations and can safely complete them during one planned visit.
๐
328 Apgujeong-ro, Gangnam-gu, Seoul, KFC Building 3F
๐
Monday–Friday 09:00–19:00
๐๏ธ
Saturday 09:00–13:00
๐
02) 3443-7550
โ๏ธ
Dr. Shin Hyun-won
Board-certified endocrinologist and internal-medicine specialist with more than 20 years of experience in metabolic and general internal medicine care.
FAQ
Same-day endoscopy questions, answered.
Preparation, medicine and sedation instructions are individual. Confirm the exact plan directly with the clinic before your appointment.
It usually means gastroscopy and colonoscopy are completed during one planned appointment when both examinations are medically indicated and safe for the patient.
No. Both procedures must be arranged in advance. Suitability, preparation, medicines, sedation and appointment availability need to be confirmed before the procedure day.
Yes. Because colonoscopy is included, you must complete the prescribed bowel preparation. You must also follow the fasting instructions required for gastroscopy and sedation.
When sedation is appropriate, both procedures may be completed during one monitored sedation pathway. The exact medicine and depth of sedation depend on your health and the clinic’s assessment.
Gastroscopy is often performed before colonoscopy, but the endoscopy team decides the most suitable sequence for each patient.
Yes. Small tissue samples may be collected from the upper digestive tract or colon when clinically indicated. Pathology results are available after laboratory processing.
Suitable polyps may be removed during colonoscopy. Large or technically complex lesions may require a separate advanced procedure or referral.
Not after intravenous sedation. Arrange transport and follow the clinic’s restrictions on driving, alcohol, work, machinery and important decisions.
Preliminary visual findings may be explained after recovery. Biopsy, H. pylori and polyp pathology results require additional laboratory time.
Apgujeong Hana Clinic provides English support for booking, preparation, medical review, procedure-day communication and result follow-up for international patients.
Related Endoscopy Services
Upper and lower GI procedures can also be arranged separately when appropriate.
English Endoscopy Support
Ask whether combined endoscopy is appropriate for your visit.
Contact Apgujeong Hana Clinic to discuss symptoms, screening needs, preparation, medicines, sedation suitability and available appointment options.