Tech Notes - Chapter 31 Flashcards Preview

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Flashcards in Tech Notes - Chapter 31 Deck (18):

Why do you need to assess the location of the warming blanket and the electrocautery plate before draping?

This is important for positioning the patient properly during surgery prep.
In case of the warming blanket, it must be located away from the surgical site (and should not be be turned on until the patient has been properly draped to prevent contamination of the surgical field).
In case of the electrocautery plate, it needs to be in direct contact with the patient at all times (particularly important in patients with long, thick hair coats).


From where to where is a surgical gown considered sterile?

Only in the front from shoulders to waist.


Describe the "hanging leg prep"

- Tape the lower limb
- Attach to an IV pole to allow for preparation with aseptic technique and draping
- Drape limb with quarter drapes
- Place sterile drape around distal limb to allow grasping of the limb and subsequent draping
- Place a sterile outer layer of a self-adherent wrap over the sterile distal limb drape to maintain the quarter drape in position


What should you do with contaminated instruments during Sx?

They should be passed off the instrument table to an operating room technician or placed in an isolated region of the instrument table.


Why should light handles or sterile light covers be placed after the patient has been draped?

Waiting until drapes are placed over the patient prevents accidental contamination of surgical gowns and gloves when reaching up to adjust the lights.


Why should surgical assistants focus on using the tips of scissors to cut suture?

To prevent accidental trauma to adjacent normal tissue.


Are drains benign?

Drains are not benign, and, when present in tissue, they may stimulate fluid prodcution.


How do you prevent premature removal of a drain?

By securing them to the skin of the patient (both passive and active drains).


How may the surgical assistant assist in the postoperative care of a surgical patient?

By cleaning the wound, placing a bandage, submitting a biopsy sample, or writing the surgical report.


What forms are sutures constructed in?

Sutures are constructed in monofilament (composed of a single strand) or multifilament (several filaments twisted or braided together) forms.
Multifilament sutures are less resistant to contamination in infected wounds and should therefore be avoided in those cases.


How strong should a suture chosen to close a wound be?

The suture that is selected to close a wound should be at least as strong as the tissue that it is holding together.


Which needles cause greater tissue trauma, eyed or swaged needles?

Eyed needles cause greater tissue trauma than swaged needles.


Why are reverse-cutting needles preferred over cutting needles?

Reverse-cutting needles resist cutting out of tissues more effectively when compared with conventional cutting needles.


Regarding surgeries, particularly large animals Sx:
Why is it important for the vet tech to anticipate what is needed with regard to preparation of the equine patient, and what will be needed during Sx (i.e. instrumentation)?

To reduce anesthesia time!
This will lessen the potential for postanesthetic recovery complications that can occur with large animals under GA for prolonged periods of time.


Why is it important to not let gauze sponges fall into the abdominal cavity without retrieving them?

Serious life-threatening consequences could occur.
Do a sponge count pre- and post-operatively!!!


Can contaminated instruments remain on the surgical table?

Any instrument that becomes contaminated during Sx is immediately discarded from the surgical table.


What happens if a glove tears during Sx?

It is imperative that a torn glove be replaced immediately during Sx.


Why is constant irrigation of the drill bit necessary while bone drilling is performed during fracture repair?

The drill bit is bathed with sterile saline to reduce thermal damage to the bone.