/absolute contraindications to laparoscopy - Answer-- unable to tolerate laparotomy
- hypovolemic shock
- lack of surgeon training
- no support @ hospital
/.relative contraindications to laparoscopy - Answer-- can't tolerate general anesthesia
- long standing peritonitis
- large abdominal/pelvic mass
- massive hernia
- severe cardiopulmonary disease
/.visceral artery aneurysm - Answer-risk of injury w/ trocar insertion
previous abdominal surgery scars can be an issue, may have intraperitoneal adhesions
/.CO2 - Answer-readily absorbed, easily eliminated
increase end tidal CO2, increase arterial CO2 concentration, decrease serum pH,
greatest change is seen in the first 20 minutes
/.nitric oxide - Answer-less acid base issues, can be tolerated in cardiopulmonary
patients, slightly less postoperative pain
/.which has less light - 5 mm 30 degree lens or 10 mm 0 degree? - Answer-4 mm 30
degree
/.what is monopolar used for? - Answer-small vessels
slow rate of bleeding
need a dry operative field
/.what is bipolar rused for? - Answer-larger vessels
need a wet operative field
less lateral thermal spread
- not good for capillary vessels
/.gas embolus - Answer-rare but can occur
seen less than 1 percent of the time
diagnose with severe hypotension, JVD, tachycardia, mill wheel murmur
* need to rule out other sources of hypotension
/.most common sources of unrecognized bleeding - Answer-trocar injury of abdominal
vessels,
/.when does dissection occur? temp above 600 degrees - Answer-