VSITE EXAM WITH 100% CORRECT
ANSWERS
Negative pressure wound therapy is associated with decreased after surgery - Answer-
SSI
Iliac vein injury may necessitate ______ of the common iliac artery to allow for exposure
- Answer- transection... WTF
The persistent sciatic artery is prone to what kind of degeneration - Answer- aneurysmal
degeneration.
The following procedures are intermediate risk rather than high risk - Answer- EVAR
and CEA
What nerve is at risk when dissecting into the posterior belly of digastric during CEA -
Answer- CN IX significant dysphagia
Recommended nutrition for the average person is - Answer- 25-30kcal/day
What type of repair is recommended for neurogenic TOS - Answer- supraclavicular
What is the most sensitive modality to detect a stroke - Answer- TCD
If a patient has non palp femorals but palpable, what is the most likely arterial source? -
Answer- persistent sciatic artery off of the internal iliac
if a patient has non palp femoral but has warm feet but NP pedals what is the arterial
supply? - Answer- internal mammary artery to inferior epigastric to CFA
what is the most common cause of arterial TOS - Answer- cervical rib followed by
anamolous first rib
severe pain and sensitivity to light touch with skin changes and normal arterial flow is
consistent with what disease - Answer- complex regional pain syndrome
compared to GA, local anesthesia for CRA reduces what? - Answer- frequency of
shunting
renal artery aneurysm szie for repair - Answer- 3cm
, what condition in females is associated with renal aneurysm rupture - Answer-
pregnancy
Reynolds number: - Answer- determines if flow is laminar or turbulent
Ostwald - Answer- constant measuring viscosity
Law of Laplace: - Answer- inward pressure exerted on the vessel wall is directly
proportional to the stress on the wall, and inversely proportional to the radius of the
vessel
Pressure x Radius
Law of Poiseuille: - Answer- diameter of the vessel affects the flow rate
R= L*N/r^4
reynolds number: >2000 and <2000 - Answer- >2000 turbulent
<2000 laminar flow
Bernoulli - Answer- decreasing diameter increases flow velocity decreased pressure.
increased velocity decreased pressure
decreased velocity increased pressure
the largest cross sectional area in the vascular system (low velocity high pressure) -
Answer- capillary beds
acute limb occlusions are treated with open or endovascular therapy? - Answer- open
ALI with thrombosed popliteal aneurysm should be treated with? (Rutherford IIA -
Answer- thrombolysis
ALI with thrombosed popliteal rutherford IIB - Answer- open embolectomy
the most worrying finding of a false lumen on dissection - Answer- thrombosed with no
re entry
best way to reduce radiation dose - Answer- increase table height
cholecystitis after open AAA repair - Answer- perc chole if unstable
perioperative hypothermia is associated with - Answer- increase surgical site infection
ANSWERS
Negative pressure wound therapy is associated with decreased after surgery - Answer-
SSI
Iliac vein injury may necessitate ______ of the common iliac artery to allow for exposure
- Answer- transection... WTF
The persistent sciatic artery is prone to what kind of degeneration - Answer- aneurysmal
degeneration.
The following procedures are intermediate risk rather than high risk - Answer- EVAR
and CEA
What nerve is at risk when dissecting into the posterior belly of digastric during CEA -
Answer- CN IX significant dysphagia
Recommended nutrition for the average person is - Answer- 25-30kcal/day
What type of repair is recommended for neurogenic TOS - Answer- supraclavicular
What is the most sensitive modality to detect a stroke - Answer- TCD
If a patient has non palp femorals but palpable, what is the most likely arterial source? -
Answer- persistent sciatic artery off of the internal iliac
if a patient has non palp femoral but has warm feet but NP pedals what is the arterial
supply? - Answer- internal mammary artery to inferior epigastric to CFA
what is the most common cause of arterial TOS - Answer- cervical rib followed by
anamolous first rib
severe pain and sensitivity to light touch with skin changes and normal arterial flow is
consistent with what disease - Answer- complex regional pain syndrome
compared to GA, local anesthesia for CRA reduces what? - Answer- frequency of
shunting
renal artery aneurysm szie for repair - Answer- 3cm
, what condition in females is associated with renal aneurysm rupture - Answer-
pregnancy
Reynolds number: - Answer- determines if flow is laminar or turbulent
Ostwald - Answer- constant measuring viscosity
Law of Laplace: - Answer- inward pressure exerted on the vessel wall is directly
proportional to the stress on the wall, and inversely proportional to the radius of the
vessel
Pressure x Radius
Law of Poiseuille: - Answer- diameter of the vessel affects the flow rate
R= L*N/r^4
reynolds number: >2000 and <2000 - Answer- >2000 turbulent
<2000 laminar flow
Bernoulli - Answer- decreasing diameter increases flow velocity decreased pressure.
increased velocity decreased pressure
decreased velocity increased pressure
the largest cross sectional area in the vascular system (low velocity high pressure) -
Answer- capillary beds
acute limb occlusions are treated with open or endovascular therapy? - Answer- open
ALI with thrombosed popliteal aneurysm should be treated with? (Rutherford IIA -
Answer- thrombolysis
ALI with thrombosed popliteal rutherford IIB - Answer- open embolectomy
the most worrying finding of a false lumen on dissection - Answer- thrombosed with no
re entry
best way to reduce radiation dose - Answer- increase table height
cholecystitis after open AAA repair - Answer- perc chole if unstable
perioperative hypothermia is associated with - Answer- increase surgical site infection
