Do you know what is studied under Gastroenterology?

Gastroenterology is a branch of medicine that focuses on the problems related to the GI tract.

It involves a detailed study of the normal physiology of the gastrointestinal organs, including the motility of organs like the stomach and intestine, removal of waste from the system, the digestion and absorption of nutrients into the body, and the function of the liver, pancreas, etc. as digestive organs.

Some possible areas of concern are:

  1. Hepatology – focuses on the diagnosis and treatment of diseases of the liver, gallbladder, biliary tree, and pancreas.
  2. Pancreatic diseases like diabetes, pancreatitis, etc
  3. Transplantation – in severe cases of organ failure or damage, e.g., liver transplant in chronic liver failure, etc.
  4. Inflammatory bowel disease or chronic inflammation of the digestive tract
  5. Gastrointestinal cancer, like, colorectal cancer, oesophageal cancer, etc.
  6. Endoscopic surveillance – to check for abnormalities in the GI tract.
  7. Reflux esophagitis, which is commonly due to gastroesophageal reflux disease, and many more conditions.

Who is a Gastroenterologist?

Gastroenterologists are trained to diagnose, treat and manage problems of the gastrointestinal (GI) tract and associated/accessory digestive organs like the liver, gallbladder, pancreas, etc.

Following are the examples of some of the Gastroenterology Diseases that people visit a gastroenterologist for:

  1. Peptic ulcer disease,
  2. Gastric cancers,
  3. Oesophageal cancers,
  4. Achalasia,
  5. Barret’s esophagus,
  6. Colon polyps,
  7. Colon and bowel cancers, etc.

What are the different types of diseases in Gastroenterology?

  1. Acid Reflux, Heartburn, GERD
  2. Dyspepsia/Indigestion
  3. Nausea and Vomiting
  4. Peptic Ulcer/Gastric ulcers 
  5. Abdominal Pain 
  6. Belching, Bloating, Flatulence
  7. Gallbladder Disorders 
  8. Biliary Tract Disorders 
  9. Gallstone Pancreatitis
  10. Gallstone Pancreatitis
  11. Gallstones
  12. Constipation and Defecation Problems
  13. Diarrhea

Gastroenterology: signs, and symptoms, complications, organs affected, comorbidities,?

Signs and Symptoms

  • Swollen, tender gums
  • Tooth sensitivity
  • Cavities
  • Dysphagia
  • Fever
  • Dry mouth
  • Vomiting blood
  • Black, tarry, or bloody stools
  • Ascites
  • Jaundice
  • Heartburn, Chest pain
  • Acid reflux
  • Loss of appetite
  • Pneumonia
  • Stomach ulcers
  • Nausea and Vomiting
  • Unintentional weight loss
  • Indigestion
  • Intolerance to fatty foods
  • Dehydration
  • Inability to pass gas
  • Diarrhea or constipation
  • Abscesses
  • Fatigue
  • Swelling or bulge in the groin or scrotum
  • Abdominal swelling
  • Anemia
  • Muscle cramps, joint pain
  • Dark urine
  • Intense itching
  • Hepatomegaly
  • Steatorrhea
  • Increased heart rate
  • Dizziness
  • Lethargy
  • Blood clot
  • Biliary colic

Gastroenterology: Complications

  1. Constipation
  2. Fecal impaction
  3. Bowel obstruction
  4. Diarrhea
  5. Bacteremia
  6. Dental abscess
  7. Mouth cancer
  8. Varices
  9. Coagulation disorders
  10. Esophageal stricture
  11. Esophageal ulcer
  12. Esophagitis
  13. GERD, Dysphagia
  14. Orchitis, Oophoritis
  15. Nerve damage
  16. Bleeding
  17. Peritonitis
  18. Perforations
  19. Jaundice
  20. Ruptured appendix
  21. Sepsis
  22. Kidney failure
  23. Hypoglycemia, Hypokalemia
  24. Toxic megacolon
  25. Strangulation of intestines
  26. Liver failure
  27. Cirrhosis
  28. Hepatic encephalopathy
  29. Malnutrition
  30. Cholestasis
  31. Splenomegaly

Gastroenterology: Organs affected

  1. Mouth
  2. Teeth
  3. Salivary glands
  4. Oesophagus
  5. Stomach
  6. Large and Small intestines
  7. Liver
  8. Pancreas
  9. Gallbladder

Comorbidities

  1. Functional dyspepsia,
  2. GERD,
  3. Chronic constipation,
  4. Hypertension,
  5. Pancreatitis,
  6. Hepatitis,
  7. Genetic disorders,
  8. High levels of acid in the stomach,
  9. Tumors in any part of the GI tract,
  10. Cardiovascular disorders in the blood vessels (thinning of the walls, etc.),
  11. Obstruction of any ducts or tubes, etc.

Gastroenterology: What are the different diagnostic tests?

Physical examination

  • Swelling,
  • Color changes of skin and whites of the eyes,
  • Rashes, mouth ulcers,
  • Fever,
  • Dehydration,
  • Weight loss,
  • Evaluation of lymph nodes,
  • Hernia,
  • Pulse rate,
  • Breathing rate, etc.

Gastroenterology: Diagnostic tests (Endoscopic procedures)

  • Gastric Endoscopy
  • Colonoscopy,
  • Endoscopic retrograde cholangiopancreatography (ERCP),
  • Esophagogastroduodenoscopy (EGD or upper endoscopy),
  • Sigmoidoscopy, etc.

Gastroenterology: Laboratory procedures

  • Blood tests – to test for specific antigens, immunoglobulins, etc.
  • Blood culture – the presence of abnormal bacteria in the blood.
  • Breath tests
  • A hydrogen breath test,
  • Glucose hydrogen breath test,
  • Lactose and fructose hydrogen breath tests, etc.
  • Fecal occult blood test – to check for hidden (occult) blood in the stool.
  • Stool culture – the presence of abnormal bacteria in the GI tract, for example, H. pylori, etc.

Radiographic diagnostic procedures

  • MRI,
  • CT scan,
  • X-rays,
  • Barium swallow,
  • Ultrasound,
  • Colorectal transit study,
  • Defecography,
  • Upper GI barium enema (aka. Upper gastrointestinal series),
  • Lower GI barium enema (aka. Lower gastrointestinal series),
  • Magnetic resonance cholangiopancreatography (MRCP),
  • Oropharyngeal motility (swallowing) study,
  • Radioisotope gastric-emptying scan, etc.

Gastroenterology: What are the treatments for gastrointestinal disorders?

Drugs for Peptic Ulcer

  1. Gastric acid secretion inhibitors
  2. H2 Antihistamines – Cimetidine
  3. Anticholinergics – Pirenzepine
  4. Proton Pump Inhibitors – Omeprazole
  5. Prostaglandin – Misoprostol
  6. Gastric acid neutralizers (Antacids)
  7. Systemic – Sodium bicarbonate
  8. Non-systemic – Magaldrate
  9. Ulcer protectives – Colloidal bismuth subcitrate (CBS)
  10. Anti H. pylori drugs – Tinidazole, Metronidazole

Emetics –

Apomorphine, Ipecacuanha

Gastroenterology: Antiemetics

  1. Anticholinergics – Hyoscine, Dicyclomine
  2. H1 antihistamines – Diphenhydramine, Doxylamine
  3. Neuroleptics (D2 blockers) – Chlorpromazine, Prochlorperazine
  4. Prokinetic drugs – Metoclopramide, Domperidone
  5. 5-HT3 antagonists – Ondansetron
  6. NK1 receptor antagonist – Aprepitant
  7. Adjuvant antiemetics – Dexamethasone, Benzodiazepines

Digestants

  1. Pepsin
  2. Papain
  3. Pancreatin

Gastroenterology: Gallstone dissolving drugs

  1. Chenodiol
  2. Ursodiol

Laxatives (Purgatives, Cathartics)

  1. Bulk-forming agents
  2. Dietary fibers – Bran
  3. Psyllium (Plantago)
  4. Isapghula
  5. Stool softeners
  6. Docusate (DOSS)
  7. Liq. paraffin
  8. Stimulant purgatives
  9. Diphenylmethanes
  10. Bisacodyl
  11. Sod. Picosulfate
  12. Anthraquinones (Emodins)
  13. Senna
  14. Cascara sargada
  15. 5-HT3 agonists – Prucalopride
  16. Prostaglandin analogue – Lubiprostone
  17. Osmotic purgatives – Magnesium sulfate, Lactulose, Lactitol

What is the consultation cost for a Gastroenterologist?

  • The average price for consulting Diabetology India ranges between INR 500-1000. The cost of consultation in major cities of India are as follows –
  • New Delhi – INR 500 to 1300 
  • Mumbai – INR 500 to 3300
  • Chennai – INR 400 to 1500
  • Bengaluru – INR 500 to 1500
  • Hyderabad – INR 200 to 1200

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