13 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
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
waves and QRS complexes ... #SecondDegree #HeartBlock ... Cardiology #EKG #ECG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Degree, Mobitz II HeartBlock ... Pacemaker 3rd Degree, Complete ... SarahFoohey #HeartBlocks ... #Types #Classification ... Diagnosis #EKG #electrocardiogram
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
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
normal • QRS complexes ... #SecondDegree #HeartBlock ... Cardiology #EKG #ECG #Electrocardiogram
Complete (3rd Degree) Heart Block on ECG

ECG of a man brought to the ER by paramedics
Complete (3rd Degree ... @EM_RESUS #Complete ... #3rdDegree #HeartBlock ... #ECG #EKG #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
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... Acute transfusion reaction ... Antigen-antibody complex ... Antigen-antibody complexes ... allergy #table #classification
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... wave (ventricular complex ... Third Degree" • Complete ... Blocks #heart #heartblock ... ekg #diagnosis #electrocardiogram
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