19 results
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 ... #diagnosis #causes
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Algorithm Celiac ... disease • Iron-deficiency ... without discernable cause ... Inflammatory (IBD ... #Algorithm #gastroenterology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

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

 • Blood loss:
Iron Deficiency ... Algorithm Labs ... - Structural: Celiac ... Tropical sprue, IBD ... , Copper deficiency
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Chronic Diarrhea ... Differential Diagnosis ... Non-infectious: IBD ... Bacterial overgrowth, Celiac ... #causes #gastroenterology
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Causes of Pediatric ... Diagnosis Algorithm ... Cystic Fibrosis • Celiac ... #Differential #Diagnosis ... #Algorithm #Causes
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Drugs, H pylori, Celiac ... Inflammation: IBD ... #Deficiency #Causes ... #differential #diagnosis
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Bleeding, Edema, Celiac ... Inflammatory Disease (IBD ... , cancer) #Iron ... #diagnosis #causes
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... Algorithm • Blood ... cancer, ulcer, IBD ... of absorption): Celiac ... #Diagnosis #Causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Inflammatory: • IBD ... disorders • Celiac ... malignancy • Iron ... deficiency anemia ... #Algorithm #Causes
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Causes of Copper ... Diagnosis Hereditary ... Crohn's disease, Celiac ... gastrectomy, prolonged diarrhea ... supplementation) or iron