Anatomy

Question 1

Triangle of safety borders?

Answer 1

pec major posterior border, lattismus dorsi anterior border, 5th intercostal space

Question 2

where do you place the chest drain in an obese patient?

Answer 2

4th or 5th intercostal space anterior to mid axillary line

Question 3

what nerve runs in the mid axillary line?

Answer 3

long thoracic nerve of bell

Question 4

when should you clamp a chest drain?

Answer 4

NEVER - runs risk of converting non tension pneumothorax to tension pneumothorax

Question 5

reconstructive ladder

Answer 5

• secondary intention
• primary intention
• delayed primary closure
• skin grafts
• tissue expansion
• local tissue transfer
• free tissue transfer

Question 6

what are the four stages of secondary intention healing?

Answer 6

1. hemostasis
2. inflammation
3. proliferatino
4. maturation

Question 7

what is a split thickness graft?

Answer 7

contains epidermis and part of the dermis

Question 8

what is a full thickness graft?

Answer 8

includes epidermis and dermis

Question 9

how does the donor site heal with a split thickness graft?

Answer 9

via reepithelisation

Question 10

how does the donor site heal wiht a full thickness graft?

Answer 10

primary intention

Question 11

what is a pedicle?

Answer 11

an artery and vein that is harvested alongside a flap