362 results
Cobalamin (vitamin B12)
In the diet:
5-15 pg/day (min. 1-5)
B12
Protein
HC
pH t
B12
Duodenum
Stomach
1
B12
R-protein
Protein
From saliva
R-protein
Intrinsic factor
Pancreas
B12
R-Protein
Trypsin
B12
Terminal ileum
B12
IF
2
Specific binding to receptors of
Cobalamin (vitamin ... B12) In the diet ... : 5-15 pg/day ( ... min. 1-5) B12 ... Protein HC pH t B12
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... Etiology: • Vit B12 ... - aka cobalamin ... level (< 200 pg ... #Cobalamin #Deficiency
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin B12 ... Deficiency - Cobalamin ... pylori infection, B12 ... BrighamChiefs #Vitamin #B12 ... #Deficiency #Cobalamin
Prevalence of Common Nutritional Deficiencies and Supplement Recommendations in Bariatric Patients 
Calcium, Vitamin B1 (thiamine), Vitamin
Calcium, Vitamin B1 ... thiamine), Vitamin B12 ... (cobalamin), Folic
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
of Low Vitamin B12 ... Levels Low vitamin B12 ... syndrome Food-bound cobalamin ... deficiency #low #cobalamin
Acute Heart Failure Exacerbation - Diagnostic Likelihood Ratios
+LR > 3.5:
 • Overall judgement of ED physician
• BNP < 100 pg
Clinically Important Vitamins and Vitamin Deficiency States
Fat-soluble Vitamins: 
 • Vitamin A - Xerophthalmia, night blindness,
• Thiamine B1 ... • Riboflavin B2 ... gestation • Vitamin B12
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
Diagnosing Vitamin B12 ... serum levels of B12 ... with low normal B12 ... people with low B12 ... accumulate in B12
Methylmalonic Acid and Homocysteine Levels in Vitamin B12 and Folate Deficiency
 • B12 Deficiency: MMA elevated,
Levels in Vitamin B12 ... Deficiency • B12 ... #Homocysteine #B12
Radial Fracture Due to Parathyroid Carcinoma- ...A plain radiograph of the left arm showed a diaphyseal
level of 3590 pg ... hormone level was 48 pg