23 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g ... Algorithm #Causes #Hematology
Raynaud's Syndrome - Washing off under hot water.
Raynaud phenomenon is an exaggerated vasoconstrictive response of the
Raynaud's Syndrome ... and arterioles (e.g ... ., in the fingers ... disease #phenomenon #clinical ... #hands #rheumatology
Characteristic features of the rash are:

-Rough texture (like sandpaper)
-Worse in the skin folds e.g. groin, axilla,
features of the rash ... the skin folds e.g ... Pastia’s lines) #Clinical ... #Dermatology #Peds
Raynaud's Syndrome - Washing off under hot water wath.

Raynaud phenomenon is an exaggerated vasoconstrictive response of
Raynaud's Syndrome ... and arterioles (e.g ... ., in the fingers ... disease #phenomenon #clinical ... #hands #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Membrane defects (e.g ... differential #diagnosis #hematology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... Lymphoproliferative disorders (e.g ... Myeloproliferative disorders (e.g ... thrombocythemia), Autoimmune ... Management #treatment #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
inflammatory disorders (e.g ... . autoimmune, TB ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
hemolytic anemia (e.g ... Microspherocytes: Autoimmune ... Smear #Analysis #hematology ... interpretation #clinical
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Immunosuppression (e.g ... diseases • Clinical ... diseases (e.g., ... Malignancies (eg ... #differential #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Clinical Presentation ... Petechial or purpuric rash ... underlying disease (eg ... • Infection (eg ... Diagnosis #Management #Hematology