perio 4d

Question 1

Principles of Electrosurgery

Answer 1

Electrode placement safety:
Electrosurgery Safety – General safety

Question 2

Principles of Electrosurgery
Electrode placement safety:
- Do not place over bony prominences
- Never cut plate to size
- Do not place where fluid can seep under plate
- Placed as close to operative site as possible
- Placed after the patient is positioned to prevent creasing and
lifting of plate
- Not over site of metal implant (hip, knee replacement) as current
can disperse to implant and generate intense heat
- Do not use damaged plate
- Document plate site and skin condition on plate remova

Question 2

Principles of Electrosurgery
Electrode placement safety:

Answer 2

• Do not place over bony prominences
• Never cut plate to size
• Do not place where fluid can seep under plate
• Placed as close to operative site as possible
• Placed after the patient is positioned to prevent creasing and
  lifting of plate
• Not over site of metal implant (hip, knee replacement) as current
  can disperse to implant and generate intense heat
• Do not use damaged plate
• Document plate site and skin condition on plate remova

Question 3

Principles of Electrosurgery
Electrosurgery Safety – General safety

Answer 3

Do not use electrosurgery in areas of high O2 flow
- Be aware of potential to disrupt cardiac pacemaker (monopolar).
- Use flammable prep with caution. Ensure prep is dry and do not
allow to pool
- Remove patient rings and jewellery to prevent burns from
diverted current
- Investigate requests for more power. It may be that the plate is
lifting off

Question 4

‘cell saver’

Answer 4

Depending on type of case, a ‘cell saver’ may be used to blood
and return to the patient

Question 5

cell saver useful when

Answer 5

Useful in surgery where a large volume of bleeding is expected,
i.e. some vascular/cardiac surgery

Question 6

Contraindication: cell saver

Answer 6

• Infection
• Malignancy
• Amniotic fluid
• Urine
• Bone chips
• Bowel contents
• Fat