Master Hypersensitivity with Mnemonics
Confused by allergies & the immune system? Textbooks can leave you with gaps in understanding. Ditch frustration and unlock a fun way to learn! Picmonic uses a catchy mnemonic to master the 4 hypersensitivity classes, reactions & nursing care with captivating characters & stories.
Physiology | Registered Nurse (RN) School Study Aid
Hypersensitivity Type I
- Previous Antigen Exposure
- Immediate Reaction
- IgE Cross-linking
- Presensitized Mast Cells
- Histamine Release
- Vasodilation
- Anaphylaxis
- Allergies
- Treatment
- Epinephrine
1 min
Hypersensitivity Type II
- Cytotoxic
- IgM or IgG antibody-mediated
- Membrane Attack Complex (MAC)
- Mechanism
- Opsonization
- Complement Activation
- NK Cells
- Testing
- Direct Coombs test
- Indirect Coombs Test
1 min
Hypersensitivity Type III
- Immune Complex
- Antigen-antibody (IgG) complex activates complement
- Neutrophils release lysozomal enzymes
- Examples
- Arthus Reaction
- Serum Sickness
- Systemic Lupus Erythematosus (SLE)
1 min
Hypersensitivity Type IV
- Delayed-Type Hypersensitivity
- T Cell Mediated
- Antibody Independant
- Macrophages Activated
- Examples
- Transplant Rejection
- PPD Skin Test
- Contact Dermatitis
1 min
Anaphylaxis Intervention
- Intervention
- Assess Airway and Oxygen Needs
- Reassure Patient with Anxiety
- Supine Position
- Methylprednisolone (Solu-medrol)
- Epinephrine
- Diphenhydramine (Benadryl)
- Medical Alert Bracelet
2 mins
