22 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... - Differential Diagnosis ... and Workup History ... #Platelet #Disorders ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... inflammation • Thrombocytopenia ... #Differential #Diagnosis ... #hematology #rheumatology ... #nonpalpable #dermatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... Vasculitides, IBD, Celiac disease ... • Infections: Chronic ... #Algorithm #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
- Differential Diagnosis ... Algorithm Thrombocytopenia ... Sequestration Disordered ... Platelet Function ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... • Rheumatic disorders ... • Celiac disease ... following EtOH induced thrombocytopenia ... Algorithm #Causes #Hematology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
Von Willebrand Disease ... inherited bleeding disorder ... Laboratory • Normal platelet ... count (mild thrombocytopenia ... #Diagnosis #Hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Underproduction Diagnostic ... kidney disease ... Probable bone marrow disorder ... Underproduction #Algorithm #hematology ... #workup
Platelet Disorders - Differential Diagnosis Framework

Qualitative Defects:
 • Adhesion
 • Aggregation
 • Secretion

Quantitative Defects:
 • Production:
Platelet Disorders ... - Differential Diagnosis ... , marrow disease ... #Diagnosis #hematology ... #thrombocytopenia
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
Platelet disorders ... Gplb receptor • Thrombcytopenia ... Von Willebrand Disease ... #disorders #hematology ... #differential #diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
with or without platelet ... Schistocytes, thrombocytopenia ... Consider RBC membrane disorder ... #Algorithm #workup ... #hematology #testing