13 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
• Toxins • Aplastic ... Anemia • Myelodysplasia ... Nutritional deficiency ... : • B12/folate ... #Causes #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 Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic ... Anemia • Toxic ... Megakaryopoiesis • B12 ... #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Differential Diagnosis Algorithm ... • Dietary Deficiency ... - Low Serum B12 ... #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... Low Mean Corpuscular ... (>100 fL) • B12 ... #Causes #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Differential Diagnosis Algorithm ... Reticulocytes • Iron Deficiency ... • B12/Folate ... DeficiencyAplastic ... #Causes #Hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia ... • Aplastic anemia ... Anemia Clinical ... and petechiae Causes ... may result from low
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
• Pernicious anemia ... /B12 deficiency ... respiratory failure • Neurologic ... ) - Waddling gait ... Phosphatase: • Other causes
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... intrinsic factor, IF) Clinical ... parasthesias, gait ... #Cobalamin #Deficiency
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
AnemiaAplastic ... Nutritional: vitamin B12 ... or folic acid deficiency ... treatments • Copper deficiency ... Syndromes #diagnosis #hematology