7 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
B12 Deficiency ... Intestine: SIBO, Celiac ... disease, IBD, Lymphoma ... Stomach: Pernicious anemia ... #differential #
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
Algorithm for the evaluation ... red blood cell; MMA ... the most likely cause ... recovery also causes ... deficiency.
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 ... , coeliac disease ... low #cobalamin #differential
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 ... - Elevated MMA
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Receptor (sTfR) to differentiate ... (B12, MMA) for ... restricted diet/deficiency ... fatigue despite disease ... /other causes
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Myeloproliferative Disease ... Nutritional: vitamin B12 ... Workup: • Complete ... blood count with differential
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
Evaluation of Recurrent ... embolism - Severe anemia ... e.g., diabetic, B12 ... deficiency) ... Falls #Diagnosis #Differential