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 ... - Differential Diagnosis ... • Functional: Irritable ... #Ileal #Pouch #Disorders ... #Differential #Diagnosis
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 ... #differential #diagnosis
Rome IV Criteria for diagnosing Functional Abdominal Pain Disorders (FAPD)
Irritable bowel syndrome
The criteria must be fulfilled
Abdominal Pain Disorders ... (FAPD) Irritable ... bowel syndrome ... bowel syndrome) ... AbdominalPain #Disorders
Irritable Bowel Syndrome (IBS) - Pathophysiology, Diagnosis and Management Algorithm
Risk factors: Previous acute enteric infection, Female
Irritable Bowel ... Syndrome (IBS) - ... Pathophysiology, Diagnosis ... Pregabalin #IBS #Irritable ... Pathophysiology #Diagnosis
Carcinoid Syndrome - Pathophysiology, Signs and Symptoms
Symptoms: Flushing, diarrhea, palpitations, bronchospasm
Complications: Carcinoid heart, mesenteric fibrosis, pellagra,
Carcinoid Syndrome ... neuropsychological disorders ... #Carcinoid #Syndrome ... Signs #Symptoms #Diagnosis
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
- Differential Diagnosis ... Plummer-Vinson syndrome ... Ehlers-Danlos syndrome ... , Inherited syndromes ... #Differential #Diagnosis
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
Mirizzi's Syndrome ... Fistula/Bouveret's Syndrome ... #differential #diagnosis
Hepatopulmonary Syndrome (HPS) Diagnosis Algorithm
Bubble echo is the first piece of the puzzle. The nail on
Hepatopulmonary Syndrome ... (HPS) Diagnosis ... Hepatopulmonary #Syndrome ... #HPS #Diagnosis
Rome IV Criteria for the Irritable Bowel Syndrome.

#Diagnosis #PrimaryCare #IBS #IrritableBowelSyndrome #RomeIV #Criteria
Criteria for the Irritable ... Bowel Syndrome. ... #Diagnosis #PrimaryCare
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
disease (Budd-Chiari syndrome ... 14 percent) #Diagnosis