1744 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin B12 ... : SIBO, Celiac disease ... pylori infection, B12 ... BrighamChiefs #Vitamin #B12 ... #differential #diagnosis
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases ... - Differential Diagnosis ... Other: Vitamin B12 ... Demyelinating #Diseases ... #Differential #Diagnosis
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
- Differential Diagnosis ... Cardiac: Valvular Disease ... neuropathy (DM, B12 ... Coordination/Strength: B12 ... #Differential #Diagnosis
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Underproduction Diagnostic ... chronic kidney disease ... - Vitamin B12 ... Algorithm #hematology #diagnosis
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
- Differential Diagnosis ... - Low Serum B12 ... • Pancreatic Disease ... • Liver Disease ... #Differential #Diagnosis
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
- Differential Diagnosis ... Anemia of Chronic Disease ... Renal Disease, Liver ... (>100 fL) • B12 ... #Differential #Diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
anemia, Chronic disease ... Macrocytic RBC: Vitamin B12 ... deficiency, Liver Disease ... Uremia, Liver disease ... #differential #diagnosis
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
Diagnosing Vitamin ... B12 and/or Folate ... serum levels of B12 ... inadequate to diagnosis ... Folate #Deficiency #Diagnosis
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Diagnostic Schema ... Hyperferritinemia Pearl: Diseases ... Still's disease ... #Differential #Diagnosis
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... Congenital Diseases ... and Autoimmune Diseases ... consumption • Vitamin B12 ... #Differential #Diagnosis