Med 140

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Med 140
2013-04-09 19:15:35
31 Asst Surgery

Ch. 31 Study Guide
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  1. Medical Asepsis
    removing of pathogenic microorganisms from the hands
  2. Surgical Asepsis
    removing of ALL or as many as possible to produce a STERILE field
  3. Absorbable sutures
    • sheep intestines
    • aka- surgical gut or cat gut
    • dissolves in 1-2 weeks
  4. Non absorbable sutures
    stainless steel, silk, cotton, nylon, and Decron
  5. 4 methods of sterilization
    • 1. Gas
    • 2. Dry heat
    • 3. Chemical (cold)
    • 4. Steam
  6. Advantage of Electrosurgery
    the bleeding is controlled by the cauterization of the blood vessels as the electric current is applied.
  7. Cryosurgery
    many pt experience pain with liquid nitrogen bc it is colder than other chemicals
  8. Suture sizes
    • 6-0 on the face and neck
    • Sizes range from 6-0 to 4
  9. Ratchets
    are locking mechanisms located between the rings of the handles and are used for locking the instrument closed
  10. Scapels
    a knife used for cutting
  11. Hemostates
    • used for grasping/clamping¬†blood vessels
    • name means "stop blood"
  12. Bayonet Forceps
    used in nose and ear procedures
  13. Clamps
    towel clamps are used to attach surgical field drapes to each other
  14. Scopes
    are lighted instruments used for viewing
  15. Probes
    slender instruments used to probe into hidden areas, body cavity or wound
  16. Care of instruments
    • - soak soiled instruments
    • - soaking solutions should be room temp
    • - soaking basins should be plastic
    • - wear heavy duty rubber gloves
    • - goggles
    • - seperate delicate instruments
    • - seperate sharp instruments
    • - use soft brisle brush
    • - rinse immediately
    • - carefully inspect instruments
    • - replace damaged or malfunctioning instruments
  17. Wicks
    wicks and packing strips are used when an infected wound must remain open for drainage
  18. Sponges
    • used in: wound cleansing
    • skin preparation
    • dressings
    • coverings
    • padding
  19. Solutions, Creams and Ointments
    • Betadine- antiseptic soap and scrub
    • Hibeclens- anitseptic with no staining
    • Isopropyl alcohol- skin prep
    • Hydrogen peroxide- noncaustic, mild
    • Anitbacterial cream- white, nongreasy, water based
    • Silvadene- sterile cream
  20. Difference between dressings and bandages?
    Dressings are sterile material applied directly to surface and bandages are the supportive material applied over a dressing.
  21. How to administer anestheia?
    can be inhaled, topical, IV, spinal column, subQ
  22. Pt Prep
    may need to alter diet, meds, special supplies, post op prep, tetanus shot?, allergies?,
  23. Open wounds
    laceration, incisions, avulsions, and punctures
  24. Closed wounds
    ecchymosis, contusions, and hematomas
  25. What is needed for med record for wound?
    size, depth, location, type of wound and causative factor
  26. Wrapping techniques
    Circular, spiral, reverse spiral, figure eight
  27. Chemicals used to stop bleeding
    silver nitrate, liquid nitrogen, and sodium hydroxide
  28. Superficial vs. Deep
    Superficial is only in sub q and deep goes below sub q
  29. Sign of infection
    warmth, reddness, swelling and maybe drainage, fever and lymph gland swelling