358 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
of Vitamin B12 Deficiency ... anemia, Bypass/gastrectomy ... #Vitamin #B12 #Deficiency
Iron Deficiency Anemia - Differential Diagnosis Algorithm

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

 • Blood loss:
Iron Deficiency ... Atrophic gastritis, Gastrectomy ... Zinc excess or deficiency ... , Copper deficiency ... MatthewHoMD #Iron #Deficiency
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Surgery - Post-gastrectomy ... Transcobalamin II deficiency ... #VitaminB12 #deficiency
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Causes of Copper Deficiency ... post-bariatric surgery, gastrectomy ... supplements #Copper #Deficiency
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... Atrophic gastritis, Gastrectomy ... tony_breu #Iron #Deficiency
Etiologies of Vitamin B12 Deficiency
 • Inadequate intake - Rare but seen in very strict vegans
of Vitamin B12 Deficiency ... with vitamin B12 deficiency ... patients with partial gastrectomy ... develop vitamin B12 deficiency ... • Deficient intrinsic
Pancreatic Exocrine Insufficiency (PEI) - Diagnostic Algorithm
PEI definite:
 • Total pancreatectomy
 • Severe chronic pancreatitis
 •
Cystic fibrosis • Gastrectomy ... Vitamin A, E, D, K deficiency
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
• Vitamin D deficiency ... Intestinal bypass, gastrectomy
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
and/or Folate Deficiency ... to diagnosis deficiency ... levels will be deficient ... accumulate in B12 deficiency ... tests for B12 deficiency
Pathophysiology and Effects of Insulin Deficiency

#Insulin #Deficiency #DKA #Ketoacidosis #Diabetes #Pathophysiology #Endocrinology
Effects of Insulin Deficiency ... #Insulin #Deficiency