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Hypersensitivities
Today
•HSR type 4
•HSR type 3
•HSR type 2
•HSR type 1
•Anaphylactic shock (and how to differentiate it from angioedema)
•Shock
•Summary
CONTACT GLUTENDELAYED
Antigen:
Insect venom
Mycobacteriae
Response:
Swelling, induration, erythema
Wheal and flare
Antigen:
Haptens, e.g.:
Poison ivy, rubber, nickel
Response:
Erythema, vesicles
Infiltrate and abcesses
HSR type 4: mediated byT-cells
Antigen:
Gliadin
Peptides in prolamins
Response:
Villous atrophy
Malabsorption
HSR type 4: mediated byT-cells
HSR type 3: Immune complexes
•HSR TYPE 4
•HSR TYPE 3
•HSR TYPE 2
•HSR TYPE 1
•ANAPHYLACTIC SHOCK
•SHOCK
Example:Arthus reaction hemorrhage, necrosis
HSR type 2
CYTOTOXIC NON-CYTOXIC
example: erythroblastosis fetalis example: myasthenia gravis
HSR type 1: Hypersensitivit-e
•HSR TYPE 4
•HSR TYPE 3
•HSR TYPE 2
•HSR TYPE 1
•ANAPHYLACTIC SHOCK
•SHOCK
HSR type 1: Hypersensitivit-e
•HSR TYPE 4
•HSR TYPE 3
•HSR TYPE 2
•HSR TYPE 1
•ANAPHYLACTIC SHOCK
•SHOCK
HSR type 1: Anaphylaxis
Immediate
phase
Late
phase
Shock
•HSR TYPE 4
•HSR TYPE 3
•HSR TYPE 2
•HSR TYPE 1
•ANAPHYLACTIC SHOCK
•SHOCK
Hypovolemic
Cardiogenic
Neurogenic
Septic
Anaphylactic
Principle: Hypoperfusion, Cells go anaerobic, metabolic acidosis
Summary

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Hypersensitivities

  • 2. Today •HSR type 4 •HSR type 3 •HSR type 2 •HSR type 1 •Anaphylactic shock (and how to differentiate it from angioedema) •Shock •Summary
  • 3. CONTACT GLUTENDELAYED Antigen: Insect venom Mycobacteriae Response: Swelling, induration, erythema Wheal and flare Antigen: Haptens, e.g.: Poison ivy, rubber, nickel Response: Erythema, vesicles Infiltrate and abcesses HSR type 4: mediated byT-cells Antigen: Gliadin Peptides in prolamins Response: Villous atrophy Malabsorption
  • 4. HSR type 4: mediated byT-cells
  • 5. HSR type 3: Immune complexes •HSR TYPE 4 •HSR TYPE 3 •HSR TYPE 2 •HSR TYPE 1 •ANAPHYLACTIC SHOCK •SHOCK Example:Arthus reaction hemorrhage, necrosis
  • 6. HSR type 2 CYTOTOXIC NON-CYTOXIC example: erythroblastosis fetalis example: myasthenia gravis
  • 7. HSR type 1: Hypersensitivit-e •HSR TYPE 4 •HSR TYPE 3 •HSR TYPE 2 •HSR TYPE 1 •ANAPHYLACTIC SHOCK •SHOCK
  • 8. HSR type 1: Hypersensitivit-e •HSR TYPE 4 •HSR TYPE 3 •HSR TYPE 2 •HSR TYPE 1 •ANAPHYLACTIC SHOCK •SHOCK
  • 9. HSR type 1: Anaphylaxis Immediate phase Late phase
  • 10. Shock •HSR TYPE 4 •HSR TYPE 3 •HSR TYPE 2 •HSR TYPE 1 •ANAPHYLACTIC SHOCK •SHOCK Hypovolemic Cardiogenic Neurogenic Septic Anaphylactic Principle: Hypoperfusion, Cells go anaerobic, metabolic acidosis