33 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Non-lmmune: • HELLP Syndrome ... Vasculitis • Infection ... Diagnosis #Algorithm #Causes ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... Extravascular #Causes ... differential #diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... Thrombocytosis): • Acute infection ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... #hematology #secondary
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... drug reaction, infection ... organ-specific signs ... or symptoms (eg ... Differential #diagnosis #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
Diagnosis Neonate: - Infection ... Constitutional disorders, eg ... neutropenia, Kostmann syndrome ... Chediak-Higashi syndrome ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... DDX - Other causes ... : • Nephrotic syndrome ... (Epstein-Barr syndrome ... hypogammaglobulinemia #immunology #hematology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... maintained fever CAUSES ... hyperthermia crisis (late ... sign) (→ 3-8) ... • Serotonin syndrome
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... WBC >100k, + lab signs ... proliferation rate ... unless worrisome EKG ... diagnosis #management #hematology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
Rule out other causes ... such as infectious ... best response rate ... #Rheumatology # ... diagnosis #management #Dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... : • Clinical triad ... tissue disorder (e.g ... classification #rheumatology