26 results
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
• Blood smear: Differential ... 2) LOOK FOR a cause ... → Systematic screening ... #management #treatment ... #rheumatology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Diagnosis Algorithm ... Reactive: - Systemic ... (Pancytopenia, WBC ... #Causes #Hematology
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
autoimmune disease ... pericarditis • Hepatic: PBC ... Scleroderma #SSc #rheumatology ... #diagnosis #signs ... #symptoms #testing
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... smear, HIV/HCV testing ... #Diagnosis #Causes ... #Workup #hematology
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Atypical HUS, autoimmune ... CHAMPS #Mnemonic #diagnosis ... #differential # ... hematology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
on the left Myeloblast ... Corticosteroid use • Autoimmune ... especially in the setting ... #Bandemia #differential ... #WBC #CBC #hematology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential ... (vasculitis / autoimmune ... Lymphomas - Systemic ... #Diagnosis #Causes ... #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Diagnosis Algorithm ... Cold AIHA • Alloimmune ... elliptocytosis - RBC ... #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... Diagnosis Algorithm ... elliptocytosis, autoimmune ... #workup #hematology ... #testing
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... • Intrinsic RBC ... #differential # ... diagnosis #hematology