12 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... - Cobalamin Decreased ... Intestine: SIBO, Celiac ... disease, IBD, Lymphoma
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Suspected Celiac ... diseaseIron-deficiency ... without discernable cause ... Inflammatory (IBD ... #Algorithm #gastroenterology
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Non-infectious: IBD ... Bacterial overgrowth, Celiac ... disease, Pancreatic ... Differential #Diagnosis #causes ... #gastroenterology
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Bleeding, Edema, Celiac ... disease • Inflammatory ... Disease (IBD, cancer ... ) #Iron #Deficiency
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Drugs, H pylori, Celiac ... Inflammation: IBD ... , Chronic disease ... #Deficiency #Causes
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... cancer, ulcer, IBD ... of absorption): Celiac ... disease, Bypass ... #Diagnosis #Causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Inflammatory: • IBD ... disorders • Celiac ... disease Tissue ... malignancy • Iron ... deficiency anemia
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Causes of Copper ... Deficiency - Differential ... , Celiac sprue, ... gastrectomy, prolonged diarrhea ... supplementation) or iron
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... pain, diarrhea ... related to IBD, ... celiac disease,
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
• Vomiting, diarrhea ... Family history of IBD ... Diverticulitis • IBD ... poisoning • Celiac ... Differential #Diagnosis #gastroenterology