Pre-operative Mapping Procedures

Question 1

the deep superior epigastric artery is the terminal branch of the ___

Answer 1

internal mammary artery

Question 2

the deep superior epigastric artery diameter at its origin is ___

Answer 2

~ 1.6mm

Question 3

the deep inferior epigastric artery arises from the ___

Answer 3

external iliac artery (EIA)

Question 4

smaller branches of the epigastric arteries anastomose in a region known as the ___

Answer 4

water-shed area

Question 5

how is epigastric artery mapping used for a transverse rectus abdominis myocutaneous (TRAM) flap?

Answer 5

identify the portion of the rectus abdominis muscle with the best arterial supply for use in TRAM flap breast reconstruction

Question 6

epigastric arteries are ___ cm

Answer 6

~3-4 cm

Question 7

during pre-operative mapping, the locations of the ___ are marked on the skin with a pen

Answer 7

main perforators

Question 8

the internal mammary artery is also known as the ___

Answer 8

internal thoracic artery

Question 9

the internal mammary artery arises from the ___

Answer 9

arch os the subclavian artery

Question 10

the internal mammary artery descends along the ___

Answer 10

posterior side of the cartilage of the upper 6 ribs

Question 11

internal mammary artery mapping determines if the artery can be used as a (2)

Answer 11

recipient site for a TRAM flap breast reconstruction
graft to the left anterior descending (LAD) coronary artery

Question 12

radial artery mapping determines the suitability of the radial artery as (2)

Answer 12

a graft for coronary artery bypass
dialysis access site

Question 13

a negative ___ is needed to proceed with radial artery mapping

Answer 13

Allen Test

Question 14

vein mapping determines suitability of the vein for use as an (2)

Answer 14

a graft for coronary artery bypass
dialysis access site

Question 15

vein mapping

entire length of vein is evaluated at increments for (3)

Answer 15

compressibility
diameter
continuity

Question 16

vein mapping - GSV and SSV locations

Answer 16

thigh - prox, mid, distal
knee/below knee
calf - prox, mid, distal
ankle

Question 17

vein mapping - cephalic and basilic locations

Answer 17

upper arm - prox, biceps
above elbow/elbow
forearm - prox, mid, distal
wrist

Question 18

vein mapping abnormal findings (4)

Answer 18

incompressibility or other evidence of thrombus
inadequate diameter
inadequate length
excessive vein wall thickening or mural calcification