26 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Celiac disease, IBD ... : Medications (PPI ... #Vitamin #B12 #Deficiency
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... cancer, ulcer, IBD ... achlorhydria: PPI ... Increased hepcidin: Chronic ... arthritis and other chronic
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Chronic Diarrhea ... Non-infectious: IBD ... BostonChiefs #Diarrhea #Chronic ... Differential #Diagnosis #causes ... #gastroenterology
Pancreatic Exocrine Insufficiency (PEI) - Diagnostic Algorithm
PEI definite:
 • Total pancreatectomy
 • Severe chronic pancreatitis
 •
Insufficiency (PEI ... head of pancreas PEI ... Vitamin A, E, D, K deficiency ... PEI unlikely: ... disease • IBD
Helicobacter Pylori (H. pylori) Infection - Diagnosis and Management - GrepMed Handbook
Presentation: Dyspepsia / Peptic Ulcer
Therapy (14d) - PPI ... 500 tid) - PPI ... Therapy (14d) - PPI ... 500mg TID if PCN-allergy ... quadrupletherapy #gastroenterology
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Elite athletes • Chronic ... Inflammatory Disease (IBD ... cancer) #Iron #Deficiency ... differential #diagnosis #causes
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency ... Achlorhydria: PPI ... Tropical sprue, IBD ... Zinc excess or deficiency ... , Copper deficiency
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Polycythemia Vera • Chronic ... : • Acute or Chronic ... Inflammatory: • IBD ... malignancy • Iron deficiency
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Inflammation: IBD ... , Chronic disease ... drkeithsiau #Iron #Deficiency ... #Causes #differential
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Family history of IBD ... disease/AMI • PUD ... Diverticulitis • IBD ... #Diagnosis #gastroenterology