17 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... fever • Drug reactions ... #Differential #Diagnosis ... #hematology #rheumatology ... #nonpalpable #dermatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... microangiopathy: Thrombotic thrombocytopenic ... Other: Transfusion reaction ... lymphoproliferative disorders ... #hematology #anemia
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
- Differential Diagnosis ... Algorithm Thrombocytopenia ... Sequestration Disordered ... Rare • Drugs (e.g ... Algorithm #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... function test, ANA (e.g ... or if a primary hematologic ... #Differential #Diagnosis ... Causes #Workup #hematology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
- Transfusion Reactions ... : ARDS Berlin Criteria ... #Transfusion #Reactions ... #hematology #diagnosis ... #comparison #table
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Malignancy, Autoimmune disorders ... (e.g. ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... allergy, drug reaction ... signs or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
receptor] • Thrombocytopenia ... MYH9-Related Disorder ... Defects #comparison #table ... #differential #diagnosis ... #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Liver disease, Etc ... Unstable hemoglobin disorders ... #differential #diagnosis ... #hematology #microscopy
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Blood Transfusion Reactions ... haptoglobin, ↑LDH, etc ... purpura & severe thrombocytopenia ... #Transfusion #diagnosis ... #management #hematology