23 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Toxins • Aplastic Anemia ... Myelodysplasia Nutritional deficiency ... : • B12/folate ... #Hematology
Wernicke Encephalopathy - Acute Thiamine (B1) Deficiency 
Clinical Diagnosis - Caine Criteria (2 out of 4):
Acute Thiamine (B1 ... ) Deficiency Clinical ... dysfunction and gait ... Encephalopathy #Thiamine #B1 ... #criteria #neurology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... (>100 fL) • B12 ... Deficiency • ... Diagnosis #Algorithm #Causes ... #Hematology
Wernicke's Encephalopathy vs Korsakoff Syndrome - Thiamine Deficiency

Wernicke's encephalopathy is a neurological condition due to longstanding
thiamine (vitamin B1 ... ataxia (broad-based gait ... and retrograde amnesia ... #vitaminB1 #B1 # ... diagnosis #comparison #neurology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... • Dietary Deficiency ... and Folate Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Deficiency • ... #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Megaloblastic: Vitamin B12 ... deficiency, Folate ... deficiency • ... differential #diagnosis #causes ... #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC: Pyridoxine deficiency ... Macrocytic RBC: Vitamin B12 ... Cell Agglutinate: Cold ... , Paroxysmal cold ... differential #diagnosis #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Reticulocytes • Iron Deficiency ... • B12/Folate ... Deficiency • Aplastic ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Defects • G6PD deficiency ... • PK deficiency ... immune-complex hemolytic anemia ... #Hematology