22 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential ... bilirubin • ↑ Reticulocytes ... Hypersplenism, Infection ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
for Hemolysis - ... Intravascular Hemolysis ... Microangiopathic hemolytic ... #differential # ... diagnosis #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... and RES-mediated hemolysis ... Intravascular - Hemolysis ... immune-complex hemolytic ... #Causes #Hematology
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic ... Internal - Infectious ... Sophia_Hayes_MD #Hemolytic ... #Diagnosis #Causes ... #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... DIC/TTP/HUS - Hemolytic ... /HSP • Cryoglobulinemia ... #Diagnosis #hematology ... #rheumatology #
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Diagnosis Algorithm ... → Refer to hematology ... blood loss, Acute hemolysis ... , Vasculitides, ... #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Internal (RBC) - Infections ... abnormal RBCs - Reticulocyte ... Urobilinogen #Hemolysis ... Diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... cardiac valve, vasculitis ... elliptocytosis, autoimmune hemolysis ... ARUPConsult @ARUPLabs #Hemolytic ... #workup #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... udaygulati #Hemolytic ... #Diagnosis #causes ... classification #hematology