31 results
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Absorption: Gastritis, Surgery ... Drugs, H pylori, Celiac ... Inflammation: IBD ... #Deficiency #Causes
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... gastritis, Bariatric surgery ... Bleeding, Edema, Celiac ... Inflammatory Disease (IBD ... , cancer) #Iron
Iron Deficiency Anemia - Differential Diagnosis Algorithm

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

 • Blood loss:
Iron Deficiency ... bleed, Epistaxis, Surgery ... - Structural: Celiac ... Tropical sprue, IBD ... , Bypass surgery
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Suspected Celiac ... disease • Iron-deficiency ... without discernable cause ... Inflammatory (IBD ... Diagnosis #Algorithm #gastroenterology
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... cancer, ulcer, IBD ... menses), Epistaxis, Surgery ... of absorption): Celiac ... #Diagnosis #Causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Inflammatory: • IBD ... disorders • Celiac ... Damage: • Post-op surgery ... malignancy • Iron ... deficiency anemia
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Non-infectious: IBD ... Bacterial overgrowth, Celiac ... Amyloidosis, S/p surgery ... Differential #Diagnosis #causes ... #gastroenterology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Deficiency Anemia ... deficiency if: ... tests Test for celiac ... #Deficiency #Anemia ... workup #diagnosis #gastroenterology
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Intestine: SIBO, Celiac ... disease, IBD, Lymphoma ... #Vitamin #B12 #Deficiency
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... of Iron Deficiency ... or colon ulcer, Celiac ... Gastrointestinal #Iron ... #Deficiency #Anemia