Safe surgery/laparoscopy Flashcards
Where is palmers point?
3cm below subcostal margin, in midclavicular line
Secondary ports - common site of injury?
inferior epigastric vessels
Non-midline port - what diameter requires formal deep sheath closure?
7mm
Midline port - what diameter requires formal deep sheath closure?
10mm
Rate of major complications at laparoscopy?
1.4 in 1000
Rate of bowel damage at laparoscopy?
0.4/1000
Pressure for primary trocar insertion ?
And for rest of laparoscopy?
20-25mmHg
10-12mmHG
Why are thin women at risk of laparoscopic injury?
The aorta may lie <2.5cm below the skin
Difference between DC and AC current in surgery?
DC is unidirectional
AC is bidirectional (periodically reverses direction) and is used in electrosurgery to avoid electrolysis
Difference between monopolar and bipolar?
monopolar - dispersive electrode is placed on the patient away from the active electrode
bipolar has 2 electrodes at the tip