26 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential ... : • Autoimmune ... • Extrinsic RBC ... #Anemias #Differential ... Diagnosis #Algorithm #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
↑ LDH • Anti-RBC ... • Blood smear: Differential ... 2) LOOK FOR a cause ... #diagnosis #management ... #treatment #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... • Intrinsic RBC ... Extravascular #Causes ... #differential # ... diagnosis #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... - Differential ... Cold AIHA • Alloimmune ... elliptocytosis - RBC ... #Hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... Algorithm Decreased WBCs ... Normal/lncreased WBCs ... #Hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Lymphadenopathy - Differential ... (Pancytopenia, WBC ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Membrane): - Autoimmune ... Urobilinogen #Hemolysis ... #Differential # ... Diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... elliptocytosis, autoimmune ... #Anemia #Differential ... Algorithm #workup #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential ... iron deficiency, hemolysis ... disorders (e.g. autoimmune ... #hematology #secondary
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Approach to Anemia - Differential ... -100): • Non-hemolytic ... Spherocytosis, G6PD, PK, HbC ... - Extrinsic: Autoimmune ... #Diagnosis #hematology