18 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Hemolysis - Differential ... Warm AIHA • Cold ... • Sickle cell ... elliptocytosis - RBC ... immune-complex hemolytic anemia
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) (e.g. lupus, CLL ... (e.g. primary cold ... • Intrinsic RBC ... #Causes #differential ... #anemia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Bite Cell RBC: G6PD ... Agglutinate: Cold ... , Paroxysmal cold ... #Morphology #differential ... #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
AIHA Primary Secondary ... Blood smear - RBC ... younger pts) Differential ... the RBCs causing intravascular ... #hematology #diagnosis
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... RBC) Morphology ... , Disseminated intravascular ... key #diagnosis #differential ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Consider sickle cell ... Agglutination - Cold ... Diagnosis #Algorithm #workup
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
count ↑ PLT • ↑ PBS ... - infiltrates (anemia ... bone marrow and secondary ... #Leukemia #Hematology ... #Oncology #Diagnosis
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
incompetent • CLL ... Lymphocytosis on CBC ... • Neutropenia, anemia ... Leukemia #diagnosis #workup ... #oncology #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Autoimmune: Warm AIHA, Cold ... Defects: Sickle cell ... anemia, Thalassemias ... #Diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... practices that could ... changes), high MCV anemia ... not required in all ... #hematology