8 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
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
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
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
GI: • Small bowel ... Excretion - Renal FE ... Hyperparathyroidism • Vitamin ... Disease • Steatorrhea ... endocrinology #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 ... #Fe #algorithm
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Causes of Copper ... include inflammatory bowel ... , Celiac sprue, ... gastrectomy, prolonged diarrhea ... supplementation) or iron
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... • 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 ... syndrome • Celiac ... bowel disease ... Differential #Diagnosis #gastroenterology