Peripheral Venous- Lower

Question 1

Intraluminal pressure of the venous system?

Answer 1

5-15mmHg

Question 2

What determines the shape of the vein?

Answer 2

Transmural pressure

internal pressure of vein-external pressue of the surrounding tissue

Question 3

Arteries and veins are composed of different layers.

Answer 3

True
Intima- endothelial
Media- smooth muscle/fiber
Externa- elastic/fibrous tissues

Seems to be the same but just different thicknesses?

Question 4

How many valves are in the SVC or brachiocephalic vein?

Answer 4

0

Question 5

The deep veins of the lower extremities start:

Answer 5

with the plantar veins in the foot

Question 6

Plantar veins come together and form:

Answer 6

posterior tibial veins

Question 7

Where does the PTV course?

Answer 7

Medial aspect of ankle and calves
Anterior to achilles tendon
Plantar veins of foot

Question 8

Anterior tibial veins join with:

Answer 8

dorsalis pedis

originate at the plantar arches

Question 9

Peroneal vein

Answer 9

lateral ankle/calf

Question 10

How do the veins of the upper and lower extremities differ?

Answer 10

The lower extremity veins have more muscle due to hydrostatic pressure

Question 11

Capillary beds are composed of:

Answer 11

intima

Question 12

Venules are composed of:

Answer 12

intima and adventia (no media)

Question 13

Pressures in the venules do not exceed

Answer 13

20mmHg

Question 14

What iliac vein is more likely for a DVT? Why?

Answer 14

Left because it sits right behind the dst aorta and rt iliac artery

Question 15

Deep venous arches empty their blood into:

Answer 15

Tibial veins

Question 16

Veins in the lower extremities originate

Answer 16

at the confluence of the venules of the deep digital veins

Question 17

What is a venae comitantes? Where do we see them

Answer 17

2 veins of the same name following a single artery of the same name
Calf and forearms

Question 18

Pop v courses posterior to artery, however, appears anterior on US due to scan approach

Answer 18

ok

Question 19

Fem V courses _________ to fem A

Answer 19

posterior

Question 20

Profunda FV drains

Answer 20

muscles in the thigh (quads)

Question 21

CFV courses ______ and ________ to CFA

Answer 21

Medial and posterior

Question 22

IIV drains the pelvic organs, except for _____

Answer 22

gonads

Question 23

The iliacs join together at what level?

Answer 23

L5

Question 24

_________ drains blood from the lower calf and _________ veins drain blood from the upper calf.

Answer 24

Soleal (lower– connect to the PTV and PV)

Gastrocnemius (upper– drains into PopV)

Question 25

What’s the main function of the superficial veins of the lower extremities?

Answer 25

Regulating body temperature or conserving heat

Question 26

Where does the GSV originate?

Answer 26

anterior medial malleolus

Question 27

Where does the SSV originate?

Answer 27

Dorsum of the foot/little toe, courses posteriorly

Question 28

Vein of Giacomini:

Answer 28

When the SSV continues above the knee and connects to the GSV

Question 29

Most proximal tributary of the GSV?

Answer 29

superficial epigastric vein

Question 30

What is the sign for the saph veins? What does it indicate

Answer 30

“eye sign”

Indicates that the vessel is coursing between the superficial and deep fascia

Question 31

Perforating veins travel from

Answer 31

superficial to deep

Question 32

Perforators have ____ valve

Answer 32

1

Question 33

Communicating veins connect:

Answer 33

GSV and SSV

Question 34

Communicating veins penetrate the deep fascia in the calf but not the deep fascia in the thigh.

Answer 34

False, they never penetrate deep fascia

Question 35

When a patient has venous stasis ulcers, what vessel is affected?

Answer 35

Posterior tibial perforators (ankle perforators)

Question 36

How many valves does the soleal sinus have

Answer 36

0

Question 37

Most lower extremity DVT’s start where

Answer 37

soleal sinuses

Question 38

Which vessel has the most valves?

Answer 38

GSV

Question 39

Which vessels do not have valves

Answer 39

IVC, internal/external/common iliacs, and soleal sinuses

Question 40

CFV has/have ___ valve(s)

Answer 40

1

Question 41

PopV has/have ___ valve(s)

Answer 41

1-3

Question 42

PTV/ATV/PER has/have ___ valve(s)

Answer 42

<12

Question 43

SSV has/have ___ valve(s)

Answer 43

6-12

Question 44

GSV has/have ___ valve(s)

Answer 44

12-14 (mostly below knee)