10 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Pernicious anemia, Bypass ... BrighamChiefs #Vitamin ... differential #diagnosis #causes
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
the most likely cause ... recovery also causes ... B12 deficiency ... occur with B12 deficiency ... Macrocytic #Anemia #VitaminB12
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 ... Transcobalamin II deficiency ... antagonists #VitaminB12 ... #deficiency #low
The Inhibited Pathway caused by N2O, leading to a decrease in the active form of Vitamin
Inhibited Pathway caused ... active form of Vitamin ... use of N2O can cause ... B12 deficiency. ... #NitrousOxide #VitaminB12
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... most possible causes ... The vitamin B12 ... #VitaminB12 #deficiency ... #Differential #Causes
Rachitic Rosary of Rickets on Physical Exam

Bead-like prominences of bone are seen at the costochondral joints.
mineralization causes ... Rosary #Rickets #PhysicalExam ... #chest #Ribs #VitaminD ... #deficiency #endocrinology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
• Zinc deficiency ... • Copper deficiency ... • Vitamin ... Diffuse #Focal #HairLoss ... Diagnosis #Algorithm #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
, Vitamin A excess ... , Vitamin D deficiency ... Scaling, pustules, crusts ... • ANA • Vitamin ... #dermatology #Hairloss
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
• Zinc deficiency ... • Copper deficiency ... • Vitamin ... stress #Diffuse #HairLoss ... Diagnosis #Algorithm #causes
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... absorption • Vitamin ... D deficiency ... absorption - Intestinal bypass ... Differential #Diagnosis #Causes