9 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... antigens, leading to complement ... Acute transfusion reaction ... they activate complement ... #table #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antigen, leading to complement ... Complement activation ... #Classification ... #Pathophysiology ... Allergy #Diagnosis #Reactions
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Type II Hypersensitivity ... antibody-mediated immune reaction ... activates the complement ... #Allergy #Immunology ... #pathophysiology
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... Allergic reaction ... ivy) #TypeIV #Type4 ... HypersensitivityReaction #Allergy #Immunology ... #pathophysiology
Anaphylaxis: Pathogenesis
Anaphylaxis is a Type 1 hypersensitivity reaction
While the primary mechanism of anaphylaxis is mast cell
Anaphylaxis is a Type ... hypersensitivity reaction ... #Anaphylaxis #pathophysiology ... #immunology
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Type I Hypersensitivity ... to an allergic reaction ... Anaphylaxis #TypeI ... #Allergy #Immunology ... #pathophysiology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... disease, drug reactions ... against MPO • Complement ... #rheumatology #classification
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
dysfunction PATHOPHYSIOLOGY ... • Pancreas: Type ... - ↑ IgE, ↓ complement ... • Classification
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
2022-lab-advisory-CLARIFICATION-CDC_Publishes_Non-variola_Orthopoxvirus_PCR_Testing_Procedure ... should use this algorithm ... smallpox-diagnostic-algorithm-poster ... polymerase chain reaction ... The type of specimen