110 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 Decreased ... Stomach: Pernicious anemia ... #Cobalamin #differential
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... Autoimmune - Pernicious anaemia ... syndrome Food-bound cobalamin ... #low #cobalamin ... #differential #
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... dysfunction, and/or disorders ... parasthesias, gait ... #Deficiency #diagnosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... • B12/Folate Deficiency ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... Diagnosis #Algorithm #Causes
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Causes of Wide Pulse ... Pressure - Differential ... - Severe iron deficiency ... anemia (reduced ... #Diagnosis #causes
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Algorithm - Iron deficiency ... anemia - Anemia ... and/or folate deficiency ... Probable bone marrow disorder ... hematology #diagnosis #differential
Somatoform Disorders - Differential Diagnosis Algorithm
 - Patient presents with complex medical problem or symptoms that
- Differential ... Motivation is primary gain ... Motivation is secondary gain ... - Focus is the ... #Differential #
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Volume (MCV) - Differential ... • Dietary Deficiency ... • Small Bowel Disorder ... B12 and Folate Deficiency
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (MCV) - Differential ... 80 fL) • Iron Deficiency ... Classification #Differential ... Diagnosis #Algorithm #Causes
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Sequestration Disordered ... Connective Tissue Disorders ... Diagnosis #Algorithm #Causes