skin

skin

1. skin is composed of two major layers

   • superficial epidermis
   • deeper dermis

2. functions

   • protection
   • heat regulation
   • secretion
   • sensation

3. burns

   • first degree
     • affects the epidermis, causes pain, redness, dryness
       • it takes 7 - 10 days to heal without scarring
   • second degree
     • affects epidermis and part of dermis
     • it takes 2-3 weeks to heal
   • third degree
     • affects the epidermis and dermis and extend into the subcutaneous
     • it takes 1-3 weeks to heal and may require hospitalization
   • fourth degree
     • it affects bone, muscle, or tendons
     • skin graft heal in about 2 weeks

4. signs for infected burn

   • redness a swelling of skin
   • green yellowish color

5. skin microbiota

   • can be beneficial or harmful
   • staphylococcus epidermidis
   • corynebacterium
   • staphylococcus aureus

6. antibiotics used in infection

   • penicillins and cephalosporins
     • compounds that inhibits the growth or actively kill microorganisms
   • different administration routes
     • orally
       • IM
         • IV

7. how to know which antibiotic to use

   • look for bacterial symptoms
   • blood test

8. clinical sigs of bacterial infection

   • increase in pain
   • swelling
   • fever
   • clinical signs of viral infection
     • itching
     • sores
   • clinical signs of parasitic infection
     • cryptosporidiosis
     • toxoplasmosis

9. healing process

   • burn scars
     • contraction
       • perspiration