15 results
Allergic Reaction Classification
Type 1 reaction: Acute anaphylactic reaction
Type 2 reaction: Cytotoxic reaction
Type 3 reaction: Immune complex
Type
Allergic Reaction ... Classification ... Type 1 reaction: ... : Immune complex ... #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... Antigen-antibody complex ... Antigen-antibody complexes ... allergy #table #classification ... #comparison
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
hypersensitivity reactions ... Type Ill - Immune Complex-Mediated ... hypersensitivity #reactions ... #Types #Classification
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... produce a hybrid complex ... VT #VTach #SVT #Comparison ... cardiology #diagnosis #electrocardiogram
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Penicillin-induced drug reaction ... Antigen-Ab immune complexes ... Dermatitis (ie. reaction ... Allergy #Allergic #Reactions ... #Types #Classification
Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Article: Wide Complex ... Cardiology #ECG #EKG #Electrocardiogram ... #Differences #Comparison
Symptoms Distinguishing Groups of Cutaneous Drug Reactions
IgE-mediated reactions:
 • Onset minutes to hours into treatment course
Cutaneous Drug Reactions ... IgE-mediated reactions ... T-cell-mediated reactions ... dermatology #clinical #comparison ... #classification
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
to an allergic reaction ... antigen-surface complex ... to an allergic reaction ... antibody-antigen complexes ... #Types #Classification
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... diagnosis #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Antigen-antibody complexes ... Hypersensitivity #Types #Classification ... Allergy #Diagnosis #Reactions