17 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... - Differential Diagnosis ... Algorithm Thrombocytopenia ... Rare • Drugs (e.g ... Algorithm #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... - History of bleeding ... epistaxis, gingival bleeding ... function test, ANA (e.g ... Causes #Workup #hematology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
common inherited bleeding ... disorder Clinical ... platelet count (mild thrombocytopenia ... VonWillebrand #Disease #Diagnosis ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... microangiopathy: Thrombotic thrombocytopenic ... lymphoproliferative disorders ... #differential #diagnosis ... #hematology #anemia
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
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
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
purpura to mucosal bleeding ... leukopenia, anemia, and thrombocytopenia ... Histopathologic criteria ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Indications for Serum Protein Electrophoresis (SPEP)
 • Suspected multiple myeloma, Waldenström's macroglobulinemia, primary amyloidosis, or related
amyloidosis, or related disorder ... chemotherapy, etc ... pain, abnormal bleeding ... Electrophoresis #SPEP #Hematology ... #Diagnosis
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
Helpful Clinical Features in Evaluating Bleeding Disorders
Age of onset
 • Neonate - in 20% of haemophilias,
Drug history, e.g ... connective tissue, e.g ... #Bleeding #Disorders ... peds #pediatrics #diagnosis ... #hematology #primarycare