109 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... deficiencies - PNH ... Gardner-Diamond syndrome ... #Diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... • Rheumatic disorders ... • Celiac disease ... #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Sequestration Disordered ... Connective Tissue Disorders ... #Hematology
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... Venous Thrombosis - Differential ... artery aneurysm: Causes ... neoplasms - PNH ... Diagnosis #clots #hematology
Recurrent / Breakthrough DVT During Anticoagulation

Subtherapeutic Anticoagulation
Hypercoagulable State 
 - Antithrombin deficiency 
 - Hypercoagulability ot
- Behcet's disease ... APLS - MPN/PNH ... - May-Thurner syndrome ... anticoagulation #hematology ... #differential #
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... - Differential ... Myeloproliferative disorders ... Spleen #Enlarged #Differential ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... PT, aPTT(liver disease ... bypass), LFT (liver disease ... #Differential # ... #Workup #hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
PNH 2. ... HLH syndrome 5. ... Eating disorders ... Metastatic Disease ... Diagnosis #Algorithm #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... hemoglobinuria (PNH ... lymphoproliferative disorders ... #differential # ... diagnosis #hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
PNH 2. ... HLH syndrome 5 ... Eating disorders ... Metastatic Disease ... Diagnosis #Algorithm #Hematology