16 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
Risk Factors and Signs of Copper Deficiency
Risk Factors:
 • Gastrointestinal: Previous upper bowel resection/bariatric surgery, Inflammatory
Signs of Copper Deficiency ... pump inhibitor (PPI ... Total parenteral nutrition ... /jejunal nutrition ... drkeithsiau #Copper #Deficiency
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Inflammatory Disease (IBD ... cancer) #Iron #Deficiency ... differential #diagnosis #causes ... #nutrition
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Inflammation: IBD ... drkeithsiau #Iron #Deficiency ... #Causes #differential ... diagnosis #anemia #nutrition
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 - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... cancer, ulcer, IBD ... achlorhydria: PPI ... tony_breu #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
Pancreatic Exocrine Insufficiency (PEI) - Diagnostic Algorithm
PEI definite:
 • Total pancreatectomy
 • Severe chronic pancreatitis
 •
Insufficiency (PEI ... Diagnostic Algorithm PEI ... head of pancreas PEI ... Vitamin A, E, D, K deficiency ... PEI unlikely:
Causes of Nausea and Vomiting - Differential Diagnosis Framework

Chemoreceptor Trigger Zone/Area Postrema:
 • Drugs:
	- Chemo agents
	-
Causes of Nausea ... • Gastritis/PUD ... • Foods • IBS ... differential #diagnosis #causes ... #gastroenterology
Suspected Celiac Disease - Diagnosis Algorithm

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