4 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
thrombocytopenia, Autoimmune Hemolytic ... anemia, Penicillin-induced ... • Ex: Systemic Lupus ... #Classification ... #Diagnosis #Definitions
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
for Hemolysis - ... thrombocytopenic purpura ... usually IgG) (e.g. lupus ... lymphoproliferative disorders ... #diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... Diagnosis #hematology ... #rheumatology #
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Diagnosis Algorithm ... blood loss, Acute hemolysis ... , deficiency anemia ... Inflammatory Conditions: Rheumatologic ... Diagnosis #Algorithm