138 results
Causes of Urticaria

Immunoglobulin E (IgE) mediated

 - Aeroallergens

 - Contact allergen

 - Food allergens

 - Insect
Immunoglobulin E (IgE) mediated ... immunologically mediated ... Nonimmunologically mediated ... Urticaria #IgE #Mediated
Bradykinin-mediated Angioedema
Clinical features: Submucosal oedema (face, extremity, genitalia), Laryngeal dyspnea (25% of deaths), Recurrent attacks of
Bradykinin-mediated ... Bradykinin vs. histamin-mediated ... #Bradykinin #mediated
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
• Shiga Toxin-Mediated ... - Complement-mediated ... - Metabolism-mediated ... - Coagulation-mediated
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Type I - lgE-Mediated ... Immune Complex-Mediated ... Type IV T-Cell-Mediated
Inflammatory Cascade: Pathogenesis and Clinical Findings
Continued Innate Immunity
 • Phagocytosis: (main mechanism) neutrophils and macrophages engulf
Cells: perforin-mediated ... holes), enzyme-mediated ... system • Cell-mediated
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
Pathophysiology PTH-mediated ... thyroid Vitamin D mediated ... Lymphomas PTHrp Mediated
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
AIHA: - 70%; IgG mediated ... AIHA: - 20%; IgM mediated
Symptoms Distinguishing Groups of Cutaneous Drug Reactions
IgE-mediated reactions:
 • Onset minutes to hours into treatment course
Reactions IgE-mediated ... Benign T-cell-mediated ... pruritic than lgE-mediated ... Severe T-cell-mediated
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
• Mast cell-mediated ... • Bradykinin Mediated ... • Mast cell-mediated ... • Bradykinin-mediated
Heparin and Low Molecular Weight Heparin (LMWH)–Mediated Inactivation of Thrombin or Factor Xa 
 - Interaction
Heparin (LMWH)–Mediated ... heparin and LMWH is mediated