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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FAPD - Functional Abdominal Pain - Diagnosis Algorithm
Functional abdominal pain not otherwise
Abdominal migraine
Functional Constipation
IBS
Functional Dyspepsia

#FAPD #Functional
FAPD - Functional ... Pain - Diagnosis Algorithm ... Dyspepsia #FAPD ... #Diagnosis #Algorithm ... gastroenterology #differential
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Causes of Severe ... -1 antitrypsin deficiency ... Severe #Acute #Causes ... #Differential #
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... of Iron Deficiency ... Gastrointestinal #Iron #Deficiency ... #Anemia #Causes ... #differential #
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
Causes of Small ... Bowel Bleeding - Differential ... Diagnosis Common Causes ... Inherited syndromes (FAP ... SmallBowel #Bleeding #Differential
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
α1-antitrypsin deficiency ... #Diagnosis #Differential ... Hepatology #Cirrhosis #Causes
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... Transcobalamin II deficiency ... #VitaminB12 #deficiency ... low #cobalamin #differential
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... LFTs #Abnormal #Algorithm ... Liver #Enzymes #Differential
Rome IV Criteria for diagnosing Functional Abdominal Pain Disorders (FAPD)
Irritable bowel syndrome
The criteria must be fulfilled
for diagnosing Functional ... Pain Disorders (FAPD ... resolves have functional ... following: anorexia, nausea ... condition #FAPD
Ileal Pouch Disorders - Differential Diagnosis
 • Surgical/Mechanical: Anastomotic leak, Pelvic sepsis, Sinus, Fistula, Strictures, Efferent
Pouch Disorders - Differential ... Inflammatory polyps • Functional ... loss, Vit D/B12 deficiency ... Pouch #Disorders #Differential