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RVT Review > Chapter 22 > Flashcards

Chapter 22 Flashcards

1
Q

what are the paired deep veins of the calf/arm that follow the corresponding artery?

A

venae comitantes (corresponding vein)

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2
Q

how is the peroneal veins formed by?

A

confluence of venules

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3
Q

where is the peroneal veins located?

A

located on the medial side but empties lateral leg

carries blood cephalad into tibial-peroneal trunk

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4
Q

how is the PTVs formed by?

A

formed by the confluence of venules

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5
Q

what does PTVS empty?

A

empties back of leg

carries blood to the tibial-peroneal trunk

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6
Q

how is the ATVs formed by?

A

confluence of venules

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7
Q

what does ATV empty?

A

empties front of leg

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8
Q

how is the pop vein formed?

A

formed by union of ATV and tib-peroneal trunk

usually just below the knee

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9
Q

when does the pop v become the femoral vein

A

when it passes through adductor hiatus in lower thigh

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10
Q

how is the CFV formed by?

A

joining of FV and deep femoral vein (profunda)

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11
Q

how is the EIV formed by?

A

CFV become EIV when vein passes through inguinal ligament

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12
Q

how is the CIV formed?

A

confluence of EIV and IIV

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13
Q

what is may thurner syndrome?

A

compression of the left common iliac vein by the right common iliac artery
this pressure point may account for left sided DVT

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14
Q

what is the IVC formed by?

A

formed by confluence of common iliac veins
commonly at the 5th lumbar vertebra
carries blood into the right atrium of the heart

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15
Q

where does the LSV ascends?

A

ascends back of calf joining the pop v

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16
Q

where does GSV originate from?

A

longest vein the body originating on dorsum of foot; traveling medially to sapenofemoral junction in the groin (about level of CFA bif)

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17
Q

what is the sapenofemoral juntion?

A

where GSV and CFV meet

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18
Q

what do perforators do?

A

carry blood from superficial veins into deep veins

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19
Q

what is the posterior arch vein?

A

has 3 ankle perforators

plays a major role in development of venous stasis ulcers

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20
Q

what are the 3 posterior arch veins?

A

cockett I, II, III

I being at the ankle

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21
Q

what are intracranial venous sinuses?

A

spaces between dura mater and periosteum that drain blood into the IJV

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22
Q

what are lower extremity venous sinuses?

A

dilated channels in soleal and gastrocnemius muslces
darins blood into the PTV and Peron
major part of the calf muscle pump

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23
Q

how is the radial veins formed by?

A

confluence of venules

24
Q

how does the radial veins empty?

A

empties lateral hand and forearm

25
how is the ulnar vein formed?
confluence of venules
26
how is the brachial vein formed?
confluence of radial and ulnar
27
how is the axillary vein formed?
confluence of brachial and basilic vein
28
how is the subcl vein formed?
confluence of axillary and cephalic vein
29
how is the innominate vein formed by?
confluence of subclav v and IJV (also called brachiocephalic)
30
how is the SVC formed by>
formed by confluence of right and left innominate veins
31
where does the SVC carry blood too?
right atrium
32
how is the basilic vein formed by?
formed by the digital veins
33
how does the basilic vein empty?
empties medial aspect of arm | joins brachial vein to form axillary vein
34
what veins can be harvested for arterial bypass conduit?
bascilic and cephalic
35
how is the cephalic vein formed by?
formed by digital veins
36
how does the cephalic vein empty?
empties lateral aspect of arm | join axillary to form subclavian v
37
what does the SVC drain?
drains head and upper extremity veins
38
what are the central veins?
SVC IVC Portals Renal
39
what does the IVC drain?
lower half of body
40
how is the portal vein formed?
SMV and splenic veins
41
what does the portal vein drain?
drains abd part of digestive tract, panc, spleen, and GB
42
where does the portal vein carry blood too?
carries blood into sinusoids of the liver | has hepatopetal flow
43
What percetage of blood does the portal vein carry?
80%
44
what do hepatic veins carry blood to?
carries blood from liver into IVC (hepatofugal flow)
45
the renal veins where do they empty into?
IVC
46
what is the function of the veins?
thin walled collapsible tubes that transport blood from capillaries toward heart carry away waste products of cellular activity
47
what are layers of the veins?
intima, media, adentitia
48
which layer of the veins is the thinnest?
media
49
where does the venous system start?
at capillaries | with progressive increase in size (venules smalles, vena cava largest)
50
what is veno-motor?
have some element of reactivity
51
what can occur in response to stimulation of sympathetic nervous system
contraction of smooth muscle cells
52
what are some examples of stimulation of sympathetic nervous system?
temp exercise stress trauma
53
what are venous valves?
extension of intimal layer | bicuspid structures providing uni-directional flow
54
why are valves of the lower extremities more susceptible to disease
secondary to the effect of venous thrombosis, increased ambulatory venous pressure from gravity, increased intrabdominal pressure and venous obstruction
55
what are the veins without valves?
``` soleal sinuses EIV - contains about 25% of the time CIV IIV innominate SVC IVC ```
56
what are veins with valves?
``` GSV -apprx 12 most below the knee LSV 6-12 perforator- each contain a valve infrapop (deep veins) 7-12 pop and femoral 1-3 EIV - 25% of the time CFV -1 jugular vein -1 basilic and cephalic variable number in UE deep veins ```

RVT Review (30 decks)

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