Dr. Michael Chew @mchew85
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GrepMed Gastroenterology-Hepatology Editor, Academic Hospitalist UC Davis Medical Center Internal Medicine, Yale Gastroenterology Fellow '22
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Ileal Pouch Disorders - Differential Diagnosis
 • Surgical/Mechanical: Anastomotic leak, Pelvic sepsis, Sinus, Fistula, Strictures, Efferent
Ileal Pouch Disorders ... • Functional: Irritable ... pouch syndrome, ... loss, Vit D/B12 deficiency ... #Ileal #Pouch #Disorders
Irritable Bowel Syndrome (IBS) - Pathophysiology, Diagnosis and Management Algorithm
Risk factors: Previous acute enteric infection, Female
Irritable Bowel ... Syndrome (IBS) - ... functional somatic syndromes ... Pregabalin #IBS #Irritable ... #Bowel #Syndrome
Carcinoid Syndrome - Pathophysiology, Signs and Symptoms
Symptoms: Flushing, diarrhea, palpitations, bronchospasm
Complications: Carcinoid heart, mesenteric fibrosis, pellagra,
Carcinoid Syndrome ... neuropsychological disorders ... #Carcinoid #Syndrome
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Causes of Iron Deficiency ... rubber bleb nevus syndrome ... Gastrointestinal #Iron #Deficiency
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
α1-antitrypsin deficiency ... disease (Budd-Chiari syndrome
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Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
and Sjögren's syndrome ... Transcobalamin II deficiency ... #VitaminB12 #deficiency
Rome IV Criteria for the Irritable Bowel Syndrome.

#Diagnosis #PrimaryCare #IBS #IrritableBowelSyndrome #RomeIV #Criteria
Criteria for the Irritable ... Bowel Syndrome.
FODMAP (fermentable oligosaccharides, disaccharides, monosaccharides, and polyols) elimination diet

#FODMAP #diet #foods #ibs #irritable #bowel #syndrome
diet #foods #ibs #irritable ... #bowel #syndrome
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Shwachman-Diamond syndrome ... acid diarrhoea, Irritable ... bowel syndrome, ... Rheumatological disorders
IBS-C Pharmacologic Therapies and Recommendations
Linaclotide, Plecanatide, Lubiprostone, PEG laxatives, Tegaserod, Rifaximin, Eluxadoline, Alosetron, Loperamide, TCAs, SSRIs,
Antispasmodics #IBSC #irritable ... #bowel #syndrome