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Abdomen and Superficial Structures 1 > Vascular Structures > Flashcards

Vascular Structures Flashcards

1
Q

3 layers of vessels (and 2 things each is made of)

A

tunica intima: endothelial lining and elastic tissue

tunica media: elastic fibers and smooth muscle

tunica adventitia: elastic and collagen fibers

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2
Q

arterial walls are ___ than veins

A

thicker

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3
Q

which vessel maintains shape? which collapses?

A

arteries
veins

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4
Q

do veins or arteries caliber vary with respiration

A

veins

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5
Q

do A or V contain valves

A

veins

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6
Q

which blood flow is influenced by heart contractions

A

arterial blood flow

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7
Q

what blood flow is influenced by pressure gradients, breathing, and muscle contractions

A

venous blood flow

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8
Q

____ have a larger diameter than ____

A

veins
arteries

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9
Q

blood flow is slower in ____

A

veins

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10
Q

aorta is intra or retroperitoneal

A

retro

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11
Q

aorta pierces diaphragm at what spine level

A

T12

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12
Q

aorta is ___ to spine, ___ of midline

A

anterior
left

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13
Q

moving caudally, aorta becomes more ___ and ____

A

anterior
tapers

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14
Q

anterior to aorta (10)

A

crura, CA, lesser sac, SMA, LRV, pancreatic body, IMA, SV, SA, LLL

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15
Q

lateral to aorta (1)

A

crura

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16
Q

anteroleft to aorta (1)

A

GE junction

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17
Q

aortic branches (6)

A

CA
SMA
R/L renal
R/L gonadal
IMA
CIA

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18
Q

the CA is within the first __ of the abdominal aorta

A

2cm

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19
Q

3 branches of CA (R->L)

A

CHA
L gastric artery
SA

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20
Q

L gastric artery is or is not seen well on US

A

not

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21
Q

L gastric artery has an ___ and ___ course then _____ to _____ of the stomach

A

anterior
superior
descends
lesser curvature

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22
Q

CHA has a horizontal path to the ___

A

right

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23
Q

CHA is superior to pancreatic ___

A

head

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24
Q

CHA is anterior to ____

A

MPV

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25
CHA splits into
GDA HAP
26
HAP divides into R/L HA in the ____
liver
27
GDA is ________ in pancreatic ___
anterolateral head
28
hepatic artery branches (3)
GDA right gastric artery cystic artery (arises from RHA) ASK AS IM CONFUSED
29
what is the largest CA branch
splenic artery
30
SA is _____ and _____ to pancreas ____ and ____
posterior superior body tail
31
SA supplies blood to
pancreas, spleen, stomach
32
SMA is ___ inferior to CA
1cm
33
SMA is post to __
pancreatic body
34
SMA anterior to
uncinate process (pancreas)
35
SMA supplies
large (R side) and small bowel
36
RRA is ____ to IVC and ____ than LRA
post longer
37
IMA courses ___ and to the ___
inferior left
38
IMA supplies
left trans, descending, and sigmoid colon + upper rectum
39
is IMA usually seen on US
no
40
aorta bifurcates at
L4
41
CIA's course ___ and ___
inf post
42
CIA are ____ and ___ to CIV
anterior lateral
43
aortic AP measurement considered abnormal when
greater than 3cm
44
CIA AP measurement (male/female)
male: 1.4-1.5cm female: 1.2cm
45
if you can see both LCIA and RCIA with long axis of aorta what view are you scanning from
coronal
46
patient prep for abdominal scan
overnight fast to decrease abdominal gas unless emergency
47
most common probe for aorta
2-6MHz (curvilinear)
48
union of CIV spine level
L5
49
when is an IVC considered dilated (AP)
>2.5cm
50
RV _____ to RA
ant
51
RRV is ____ and ____ than LRV
shorter lower
52
LRV is ___ to aorta, ____ to SMA
ant post
53
R gonadal vein empties into
IVC
54
L gonadal vein empties into
LRV
55
lumber veins are _____ to spine, ____ to psoas
lateral post
56
do hepatic veins have valves
no
57
HV best seen in what plane/transducer placed where/angle where
transverse just inf to xiphoid cephalad
58
MLF runs between what 2 things
GB neck and RPV
59
if you can see MLF what HV are you looking at
MHV
60
portal venous system drains blood from (4)
bowel spleen pancreas GB/bile ducts
61
PV system does/does not connect directly to IVC does/does not contain valves
does not x2
62
PV system formed by
SV, SMV, IMV
63
SV is ___ and ____ to ____ and ____ of pancreas
post inf body tail
64
SV is ____ to aorta and SMA
anterior
65
what is an important landmark for identifying the pancreas neck
portal confluence
66
SMV originates from
the roof of the mesentery (post abdominal wall)
67
SMV is ant to the ______ of the pancreas
uncinate process
68
long axis SMV look like
hamburger pancreas neck (bun) SMV (burger) uncinate (bun)
69
if you are looking at long axis SMV and see a short axis vessel anterior to it between SMV and MPV what is it and how do you know
CHA/HAP because SMV on r side of body so it has to be CHA/HAP as SA is on the left side of the body
70
is IMV commonly seen on US
no
71
MPV confluence is posterior to _____
pancreatic neck
72
MPV AP measurement
<13mm
73
MPV supplies how much blood and oxygen to liver
70-80% of blood 50-60% of O2
74
LPV moves along _____ surface of caudate (and lig. venosum) then turns ____
ant ant
75
when seeing IVC in long axis, what vessel is above (ant) to lig venosum
LPV
76
LPV divides into what branches
medial lateral
77
RPV is ____ and ____ than LPV
shorter fatter
78
RPV travels ____ and ____
posterior caudal
79
RPV divides into what brnaches
anterior posterior
80
RPV is long axis in what plane
transverse
81
do portal veins collapse
no
82
hepatic veins flow ____ from the liver
away
83
do hepatic veins collapse
they can with breath
84
renal artery is what resistance
low resistance
85
renal vein has ____ flow variations
phasic
86
portal veins are _______ (into liver)
hepatopedal
87
opposite of hepatopedal
hepatofugal
88
aorta has ____ resistance above the renals (within abdomen) and ) _____ resistance below the renals
moderate high

Abdomen and Superficial Structures 1 (14 decks)

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