Gastroenterology Diagnosis & Treatment Simplified | Complete Video Course
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Gastroenterology Diagnosis & Treatment Simplified

Comprehensive GI video course — esophagus, stomach, bowel, liver, biliary, pancreas, IBD, colorectal cancer, and anorectal disorders from MedNerd and JJ Medicine

78Tutorial Videos
10Modules
100%Free Access
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Esophageal Disorders

10 videos
Dysphagia | Causes | Types | USMLE
Oropharyngeal vs esophageal dysphagia — workup and diagnosis.
GERD | Treatment & Workup
PPIs, lifestyle modifications, pH monitoring, and surgery.
Esophageal Varices | Treatment
Band ligation, octreotide, TIPS, and prophylaxis.
GERD Signs & Symptoms
Heartburn, regurgitation, dental erosion, and chronic cough.
Worst Foods for Acid Reflux
Chocolate, caffeine, alcohol, citrus, and fatty foods.
Achalasia
Bird-beak sign, manometry, and Heller myotomy.
Esophagitis
Infectious, pill, eosinophilic, and corrosive esophagitis.
Esophageal Cancer
Squamous cell vs adenocarcinoma and Barrett's esophagus.
Hiatal Hernia
Sliding vs paraesophageal — complications and repair.
Mallory-Weiss Syndrome
GE junction tear from retching and management.
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Gastric Disorders

7 videos
Peptic Ulcer Disease
H. pylori, NSAID-related — CLO test and triple therapy.
PUD Signs & Symptoms
Epigastric pain patterns — eating vs fasting.
Acute Gastritis
Erosive vs non-erosive — H. pylori and stress ulcers.
Gastroparesis
Diabetic gastroparesis, scintigraphy, and prokinetics.
Gastroparesis Signs & Symptoms
Nausea, vomiting, bloating, and early satiety.
Cyclic Vomiting Syndrome
Migraine association, cannabis link, and prophylaxis.
Menetrier Disease
Giant hypertrophic gastritis and protein-losing gastropathy.
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Diarrhea & Malabsorption

9 videos
Acute Diarrhea Workup | MedNerd
Infectious causes, stool studies, and antibiotic indications.
Chronic Diarrhea & Malabsorption | MedNerd
Osmotic vs secretory, fecal fat, and endoscopy.
Acute Diarrhea | JJ Medicine
Enterotoxic vs invasive, watery vs bloody.
Traveler's Diarrhea
ETEC, Campylobacter, prevention, and empiric antibiotics.
Chronic Diarrhea | Secretory vs Osmotic
Fecal osmotic gap and systematic workup.
Constipation
Rome IV criteria, red flags, and laxative therapy.
Celiac Disease
TTG-IgA, villous atrophy, and gluten-free diet.
Celiac Signs & Symptoms
Iron, folate, calcium deficiencies and dermatitis herpetiformis.
Weird Symptoms of Celiac Disease
Neurological, psychiatric, and dermatologic manifestations.
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Inflammatory Bowel Disease

6 videos
Ulcerative Colitis | MedNerd
Mucosal inflammation, bloody diarrhea, and colonoscopy findings.
UC Treatment | MedNerd
5-ASA, steroids, biologics, and colectomy indications.
Crohn's Disease | MedNerd
Transmural inflammation, skip lesions, fistulae, and strictures.
Crohn's Treatment | MedNerd
Steroids, azathioprine, anti-TNF, and surgical indications.
Crohn's Signs & Symptoms
Abdominal pain, non-bloody diarrhea, and perianal disease.
UC Signs & Symptoms
Bloody diarrhea, urgency, and extraintestinal manifestations.
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Diverticular Disease & Appendicitis

8 videos
Diverticulitis
CT findings, antibiotics, abscess drainage, and surgery.
Diverticulitis Signs & Symptoms
LLQ pain, fever, and altered bowel habits.
Diverticulitis: What to Avoid
Dietary and lifestyle risk factors.
Weird Symptoms of Diverticulitis
Urinary symptoms, fistulae, and atypical presentations.
5 Early Symptoms of Diverticulitis
Early warning signs before full-blown disease.
Appendicitis Signs & Symptoms
McBurney's point, Rovsing's sign, and pain migration.
Earliest Symptoms of Appendicitis
Periumbilical pain, anorexia, and clinical timeline.
Meckel Diverticulum
Rule of 2s — painless rectal bleeding in children.
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Colorectal Cancer

6 videos
Colon Cancer | Full Review
Adenoma-carcinoma sequence, screening, staging, and chemotherapy.
Colon Cancer Signs & Symptoms
Iron deficiency, rectal bleeding, and right vs left differences.
Colon Cancer Weird Symptoms
Unexplained weight loss, fatigue, and paraneoplastic syndromes.
11 Risk Factors of Colon Cancer
Genetics, diet, obesity, and screening adherence.
Lynch Syndrome (HNPCC)
Mismatch repair genes, Amsterdam criteria, and surveillance.
Familial Adenomatous Polyposis
APC mutation, prophylactic colectomy, and Gardner variant.
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Hepatobiliary Disease

13 videos
Jaundice Workup | MedNerd
Bilirubin metabolism and diagnostic algorithm.
Hepatitis B | MedNerd
Serology interpretation, tenofovir/entecavir, and vaccination.
Hepatitis C | MedNerd
Genotypes, DAA therapy, SVR monitoring, and screening.
Hemochromatosis | MedNerd
HFE gene, transferrin saturation, and phlebotomy.
Wilson's Disease | MedNerd
Ceruloplasmin, KF rings, and penicillamine therapy.
Primary Biliary Cirrhosis | MedNerd
AMA, pruritus, and ursodeoxycholic acid.
Primary Sclerosing Cholangitis | MedNerd
IBD association, MRCP beading, and cholangiocarcinoma risk.
Liver Disease Signs & Symptoms
Spider angiomata, palmar erythema, and caput medusae.
High Liver Enzymes | AST vs ALT
Hepatocellular vs cholestatic pattern.
Autoimmune Hepatitis
ANA, anti-SMA, steroid/azathioprine therapy.
Budd-Chiari Syndrome
Hepatic vein thrombosis and TIPS/anticoagulation.
Fatty Liver: Treat & Reverse
Exercise, Mediterranean diet, and weight loss targets.
NAFLD: New Conditions (MASLD)
Updated nomenclature and clinical implications.
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Pancreatic Disease

4 videos
Acute Pancreatitis | MedNerd
Ranson's criteria, CT severity, and fluid resuscitation.
Acute Pancreatitis Signs & Symptoms
Epigastric pain, Cullen's/Grey Turner's signs.
Chronic Pancreatitis Symptoms
Chronic pain, steatorrhea, and exocrine/endocrine failure.
Pancreatic Cancer Symptoms
Painless jaundice, Courvoisier's sign, and new-onset diabetes.
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Small Bowel, IBS & Obstruction

7 videos
Small Bowel Obstruction
Adhesions, hernias, AXR/CT findings, and NGT decompression.
SBO Signs & Symptoms
Colicky pain, vomiting, distension, and obstipation.
Ogilvie Syndrome
Acute colonic pseudo-obstruction and neostigmine therapy.
Umbilical Hernia
Incarceration risk and surgical repair indications.
IBS | Causes, Types, Treatment
Rome IV, IBS subtypes, low-FODMAP, and pharmacotherapy.
IBS Signs & Symptoms
Visceral hypersensitivity and gut-brain axis.
Best & Worst Foods for IBS
FODMAP triggers, fiber, and probiotics.
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Anorectal Disorders

8 videos
Hemorrhoids | MedNerd
Internal vs external — grading, banding, and surgery.
Hemorrhoids Signs & Symptoms
Painless bleeding vs painful thrombosis.
What to Avoid with Hemorrhoids
Straining, prolonged sitting, and low fiber.
Best & Worst Foods for Hemorrhoids
High-fiber foods, hydration, and flavonoid sources.
9 Natural Treatments for Hemorrhoids
Diosmin, hesperidin, sitz baths, and topical treatments.
Anal Fissures
Acute vs chronic — tearing pain and hypertonic sphincter.
Angiodysplasia
Vascular malformations, Heyde syndrome, and endoscopic therapy.
Gallstones & Complications
Cholecystitis, choledocholithiasis, and ascending cholangitis.