15 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- History of bleeding ... epistaxis, gingival bleeding ... function test, ANA (e.g ... or if a primary hematologic ... #Workup #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Sequestration Disordered ... Rare • Drugs (e.g ... Connective Tissue Disorders ... #Hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... for secondary causes ... signs or symptoms (eg ... , skin or esophageal ... Differential #diagnosis #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Epidemiology: young ... Immunosuppression (e.g ... Autoimmune diseases (e.g ... Malignancies (eg ... #differential #hematology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... altered colour e.g ... bruise') is where bleeding ... a generalized disorder ... #Diagnosis #Dermatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
, Seizure disorders ... Disease, PRES Pathophysiology ... autoantibodies that will cause ... inflammation, leading ... Lumbar Puncture, EEG
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
immune system, leading ... • They can cause ... - Purpura - Skin ... Cryoglobulins Cause ... (e.g. systemic
Helpful Clinical Features in Evaluating Bleeding Disorders
Age of onset
 • Neonate - in 20% of haemophilias,
Drug history, e.g ... and skin haemorrhage ... connective tissue, e.g ... #Bleeding #Disorders ... pediatrics #diagnosis #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Hematological: - HIT ... Testosterone - Coumadin skin ... thrombosis in young ... Venous #Arterial #pathophysiology ... #hematology #differential
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
cryoglobulin (CG ... Paradoxical spontaneous bleeding ... cryoglobulinemia Associated Disorders ... cryoglobulins • Negative causes ... #hematology