28 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 ... differential #diagnosis #causes
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 ... #nutrition
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Causes of Pediatric ... Cystic Fibrosis • Celiac ... Disease • Primary ... Inflammatory Bowel Disease ... #Peds #Pediatrics
Folate Deficiency - Causes of Decreased Folic Acid
↓ Intake: Diet, Age, Alcohol
↑ Demand: Pregnancy, Infancy, Hemolysis,
Folate Deficiency - Causes ... ↓ Absorption: Coeliac ... disease, Enteritis ... differential #diagnosis #nutrition
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Drugs, H pylori, Celiac ... : IBD, Chronic disease ... Iron #Deficiency #Causes ... diagnosis #anemia #nutrition
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Causes of Copper ... Hereditary: - Menkes disease ... , Celiac sprue, ... Parenteral or enteral nutrition ... Differential #Diagnosis #nutrition
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... related to IBD, celiac ... disease, other ... total body stores Evaluation ... diagnosis #management #nutrition
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... B12 Levels Low ... vitamin B12 intake ... insufficiency, Crohn 's disease ... , coeliac disease
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Diagnosis and Evaluation ... symptoms (HA, nausea ... , liver, renal disease ... Differential #Algorithm #Ddxof
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Abdominal Pain Causes ... have had prior evaluations ... genitourinary causes ... bowel syndrome • Celiac ... poisoning • Celiac