23 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential Diagnosis ... Anemias (AHAs) ... • Extrinsic RBC ... #hematology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... syndrome (ST-HUS ... anemia" • HELLP ... #differential #diagnosis ... #hematology #hemolysis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... (HUS) • Other ... • Intrinsic RBC ... #hematology #anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Diagnosis Framework ... - MAHA: TTP, HUS ... Drug-associated, PCH, Evans Syndrome ... Defects: Sickle cell anemia ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... , aHUS, mechanical ... #Anemia #Differential ... #workup #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential Diagnosis ... elliptocytosis - RBC ... anemia • ... MAHA (TTP, DIC, HUS ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... PD deficiency, Pulmonary ... uremic syndrome ... Morphology #Atlas #key #diagnosis ... #differential #hematology
Atypical HUS - Hemolytic Uremic Syndrome
Unlike typical HUS, which is shigatoxin mediated, aHUS is not typically
Atypical HUS - Hemolytic ... still present with anemia ... renal, cardiac, pulmonary ... #aHUS #Hemolytic ... #diagnosis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
is the diagnostic ... result in severe anemia ... schistocytes, nucleated RBCs ... anemia Indirect ... #Workup #Hematology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
extravascular) hemolysis ... athletic training, Pulmonary ... Gastrectomy, WHDA syndrome ... diet, Alcoholism, Tea-toast ... Algorithm #ferritin #hematology