15 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin B12 ... Deficiency - Cobalamin ... Stomach: Pernicious anemia ... #Deficiency #Cobalamin ... #differential #
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... inflammation) • Iron deficiency ... Infections Macrocytic ... , B12 deficiency ... MCV #Algorithm #Differential
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... • Drugs Oval Macrocytes ... • Dietary Deficiency ... and Folate Deficiency ... #elevatedMCV #Differential
Approach to Hypoproliferative Macrocytic Anemia

 • 812, Folate Deficiency
 • MDS+
 • Hypothyroid
 • Liver Disease
Hypoproliferative Macrocytic ... Anemia812 ... , Folate Deficiency ... MatthewHoMD #Macrocytic ... #Anemia #differential
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
" • Iron deficiency ... MCV - >96fL - "Macrocytic ... Megaloblastic: Vitamin B12 ... deficiency • ... morphologic #mcv #differential
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC) Morphology Microcytic ... RBC: Pyridoxine deficiency ... (sometimes) Macrocytic ... RBC: Vitamin B12 ... RBC #Morphology #differential
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 ... Autoimmune - Pernicious anaemia ... #low #cobalamin ... #differential #
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... ) Deficiency Etiology ... cobalamin. ... : • Worsening macrocytic ... #Cobalamin #Deficiency
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... formerly known as ... crisis • Severe B12 ... deficiency • Mechanical ... macroangiopathic hemolytic anemia
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Pulse Pressure - Differential ... - Severe iron deficiency ... anemia (reduced ... fistula - Such as ... Diagnosis #causes #cardiology