8 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 ... #Cobalamin #differential
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diffuse and Focal) Differential ... • Vitamin ... Diffuse #Focal #HairLoss ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... , Vitamin A excess ... , Vitamin D deficiency ... • ANA • Vitamin ... #dermatology #Hairloss
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
syphilis, Whipple, vitamin ... deficiency, ... ... Alzheimer - 1st cause ... Dementia - 2nd cause ... MNCD #Dementia #Differential
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Loss (Alopecia) - Differential ... • Vitamin ... stress #Diffuse #HairLoss ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
Workup for cause ... point thiamine deficiency ... highest on my differential ... deficiency via ... AorticRegurgitation #Diagnosis #PhysicalExam
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... absorption • Vitamin ... D deficiency ... absorption - Intestinal bypass
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... • Nutritional: vitamin ... or folic acid deficiency ... Workup: • Complete ... blood count with differential