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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Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... indicate the initial evaluation ... history alongside evaluation ... #Algorithm #Hepatology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... tests Test for celiac ... disease with serology ... Gastrointestinal #Evaluation
Functional Dyspepsia - Pathophysiology, Diagnosis and Management
Risk factors: Non-steroidal anti-inflammatory drugs, Psychological comorbidity, Helicobacter pylori infection,
Functional Dyspepsia ... a structurally normal ... Early satiety #Functional ... Diagnosis #Management #algorithm
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Celiac Disease - ... Diagnosis Algorithm ... serologic marker for evaluating ... #Disease #Diagnosis ... #Algorithm #gastroenterology
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
Algorithm regarding ... <45% and SF is normal ... , further evaluation ... causes of liver disease ... hemochromatosis #algorithm
Nutrition in Cirrhosis: Dos and Don’ts
Screening:
 • Patients at risk for RFH-Nutritional Prioritizing Tool
 • Low
Advanced liver disease ... Assessment: • Evaluation ... ultrasound) • Muscle function ... chronic liver diseases ... muscle mass and function
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
fecal elastase Abnormal ... including cystic disease ... Shwachman-Diamond syndrome Normal ... result-watery diarrhoea, Coeliac ... disease, Diabetes
Ileal Pouch Disorders - Differential Diagnosis
 • Surgical/Mechanical: Anastomotic leak, Pelvic sepsis, Sinus, Fistula, Strictures, Efferent
Cuffitis, Crohn's disease ... Inflammatory polyps • Functional ... , Renal stone, Celiac ... disease, High PTH
Rome IV Criteria for diagnosing Functional Abdominal Pain Disorders (FAPD)
Irritable bowel syndrome
The criteria must be fulfilled
After appropriate evaluation ... After appropriate evaluation ... interferes with normal ... After appropriate evaluation ... After appropriate evaluation