17 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... with cytotoxic T ... Antigen-antibody complexes ... sclerosis #Hypersensitivity ... Classification #Pathophysiology
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Type II Hypersensitivity ... antigen-surface complex ... antigen-surface complex ... or the entire complex ... Allergy #Immunology #pathophysiology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
table of types of hypersensitivity ... Antigen-antibody complex ... Antigen-antibody complexes ... T-cells recruit ... Graft rejection #hypersensitivity
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... it is entirely T-Cell ... allergen-specific T-Cell ... exposure, because T-Cell ... Allergy #Immunology #pathophysiology
Cellular and humoral immune responses of the adaptive immune system. Activated T cells accomplish cellular immune
Activated T cells ... to the T-cell receptor ... histocompatibility complex ... depending on the T-cell ... ImmuneResponses #immunology #pathophysiology
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... Type Ill - Immune Complex-Mediated ... Sickness) Type IV T-Cell-Mediated ... happypillsrx/ #hypersensitivity
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
other tissue • T ... to CD4+ helper T ... B cellsT cell-independent ... co-receptor complex ... Humoral #Immunity #pathophysiology
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Type I Hypersensitivity ... and induce mast cell ... allergen-antibody complex ... Allergen-antibody complexes ... Allergy #Immunology #pathophysiology
Systemic Lupus Erythematosus (SLE): Pathogenesis

 • Genetic factors (Mutations in HLA- DR2/HLA-DR3 genes, complement genes, cytokine
dysfunction of dendritic cells ... , B-cells, T-cells ... production of immune complexes ... Auto-reactive T-cells ... Erythematosus #SLE #Pathophysiology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Differential Diagnosis Algorithm ... : • Squamous cell ... fungoides (cutaneous T-cell ... Viral - Herpes simplex ... Differential #Diagnosis #Algorithm