13 results
Heparin-Induced Thrombocytopenia (HIT) Evaluation Algorithm

- Dr. Josh Farkas @PulmCrit

#4TScore #HITT #Algorithm #HeparinInduced #Thrombocytopenia #Diagnosis #Criteria #Hematology
Heparin-Induced Thrombocytopenia ... @PulmCrit #4TScore ... HeparinInduced #Thrombocytopenia ... #Diagnosis #Criteria ... #Hematology
4T Score for Heparin-Induced Thrombocytopenia

Interpretation of the 4T score:
0-3 points:  Low probability (<<1%)
  -
Thrombocytopenia ... non-heparin agent #4TScore ... HeparinInduced #Thrombocytopenia ... #Diagnosis #Criteria ... #Hematology
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
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
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
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
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
leukopenia, anemia, and thrombocytopenia ... Histopathologic criteria ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Indications for Serum Protein Electrophoresis (SPEP)
 • Suspected multiple myeloma, Waldenström's macroglobulinemia, primary amyloidosis, or related
amyloidosis, or related disorder ... chemotherapy, etc ... possible malignancy (e.g ... Electrophoresis #SPEP #Hematology ... #Diagnosis