9 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Radiation • Drugs ... • Toxins • Aplastic ... Anemia • Myelodysplasia ... deficiency: • B12/folate
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic ... Anemia • Toxic ... methotrexate) • Drugs ... anti-HLA antibodies Drugs ... #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... : ACD, Aplastic ... Megaloblastic: Folate ... Orotic aciduria, Drugs ... #Diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... infection) - Drugs ... (Beta lactam antibiotics ... #differential # ... diagnosis #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... • Bleeding • Hemolysis ... Deficiency • Folate ... Deficiency • Drugs ... #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
, Vitamin B12, Folate ... marrow failure: Aplastic ... suppression (e.g. drugs ... Production #Index #hematology ... #anemia #differential
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Aplastic Anemia ... - Overview Who ... Dyskeratosis congenita • Drugs ... - Cytotoxic drugs ... anemia Treatment
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
pregnant have hemolytic ... anemia, or psoriasis ... that can cause ... Malabsorption • Drugs ... #diagnosis #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
hypertension and/or drug ... treatment - Maternal ... Idiosyncratic drug ... Idiosyncratic drug ... #hematology