87 results
Clinically Important Vitamins and Vitamin Deficiency States
Fat-soluble Vitamins: 
 • Vitamin A - Xerophthalmia, night blindness,
Clinically Important ... Vitamins and Vitamin Deficiency ... #Vitamins #Deficiency ... #differential #diagnosis ... #signs #symptoms
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Stomach: Pernicious anemia ... #differential #diagnosis ... #causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... - Differential Diagnosis ... (>100 fL) • B12 ... #Differential #Diagnosis ... #Algorithm #Causes
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Differential Diagnosis ... • Dietary Deficiency ... and Folate Deficiency ... #Algorithm #Causes
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
the most likely cause ... recovery also causes ... deficiency is present ... deficiency. ... #Diagnosis #Macrocytosis
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... - Differential Diagnosis ... Toxins • Aplastic Anemia ... Myelodysplasia Nutritional deficiency ... : • B12/folate
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... Megaloblastic: Vitamin B12 ... deficiency • ... #differential #diagnosis ... #causes #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential Diagnosis ... Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Deficiency
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... • B12/Folate ... Deficiency • Aplastic ... #Differential #Diagnosis ... #Algorithm #Causes
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... turnover • Iron, B-12 ... , or folate deficiency ... • Hemolytic anemia ... Increase #Decrease #Diagnosis