Abdomen perfusion Flashcards

1
Q

Diaphragm structures (I 8 10 EGGs AT 12) - “I ate 10 eggs at 12”

A
  • at T8 - IVC
  • at T10 - Esophagus, vagus
  • at T12 - Aorta (descending),Azygous, thoracic duct
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2
Q

What is the first main branch after the descending aorta pierces through the aortic hiatus in the diaphragm?

A

celiac trunk

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3
Q

What are the three branches that come off the celiac trunk? 2 on the left and 1 on the right?

A

Right: Common hepatic artery
Left: Splenic artery
Left: left gastric artery

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4
Q

Where does the splenic artery perfuse to?

A

spleen

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5
Q

Where does the Left gastric artery perfuse to?

A

left aspect of the lesser curvature of the stomach

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6
Q

Where does the common hepatic artery go towards? and what does it branch into?

A

Liver.
Right gastric artery
Hepatic artery proper
Gastro-duodenal artery

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7
Q

Where does the Right gastric artery perfuse to? and what happens there?

A

right aspect of the lesser curvature of the stomach to anastemose with the left gastric artery

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8
Q

Where does the Left and right Gasto-omental arteries branch off from?

A

Left Gastro-omental= splenic artery

Right Gastro-omental= Gastroduodenial artery

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9
Q

Where dose the Right and Left gastro-omental arteries perfuse and how?

A

they anastamose at the Greater curvature of the stomach

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10
Q

How does the Hepatic artery proper branch further?

A

Right and Left hepatic artery

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11
Q

What does the right hepatic artery branch into?

A

ASAP a cystic artery branches off it

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12
Q

What is anastomose around the celiac trunk?

A

vagus nerve

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13
Q

Gastro-duodenial artery continues to where after branching the Right gastro-omental artery?

A

perfuses the duodenum

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14
Q

What is the second branch off the abdominal aorta after the celiac trunk?

A

superior mesonteric artery

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15
Q

What does mesontary mean?

A

the connective tissue found in between the intestines

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16
Q

What does superior mesonteric artery perfuse?

A

perfuses parts of the intestines:

all of the small intestines, ascending colon, and transverse colon

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17
Q

What branches off the abdominal aorta after the superior mesonteric artery, inferior to it?

A

Renal arteries

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18
Q

Where does the renal arteries go?

A

kidneys

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19
Q

What comes just inferior to the renal arteries?

A

gonadal arteries

testicular/ovarian

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20
Q

What does the gonadal arteries travel parallel with?

A

ureter

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21
Q

What comes after the gonadal arteries?

A

inferior mesonteric artery

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22
Q

What does the inferior mesonteric artery perfuse?

A

some of the transverse colon, descending colon, sigmoid colon, rectum

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23
Q

What level is the emergence of the descending aorta aka where diaphragm is?

A

T12

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24
Q

What level will the abdominal aorta bifricate?

A

L4

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25
Q

What does the abdominal aorta bifricate into at L4?

A

Right and Left common iliac arteries

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26
Q

What do each Common iliac arteries branch into?

A

Each have an external and internal iliac arteries

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27
Q

Where does the internal iliac arteries dive into and perfuse?

A

Dives into the pelvis

Sexual organs, some rectum, bladder

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28
Q

Where dose the internal iliac artery continue to after the pelvic region?

A

glueteal region, buttocks

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29
Q

Where does the external iliac arteries go towards?

A

Inguinal ligament

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30
Q

What branch does the external iliac give off before passing the inguinal ligament?

A

Inferior epigastric artery

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31
Q

Where is the inferior epigastric artery found in between?

A

posterior rectus sheath and rectus abdominus

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32
Q

What does the inferior epigastric and superior epigastric do?

A

Anastamose with each other in the abdominal region in between the layers of posterior rectus sheath and rectus abdominus muscle

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33
Q

Once the external iliac arteries pass the inguinal ligament what will occur?

A

It turns into femoral artery

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34
Q

What arteries perfuse the spinal cord?

A

anterior/posterior spinal arteries they are TINY

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35
Q

Where does the four lumbar arteries branch from and what do they perfuse?

A

They arise from the back of the aorta, behind the psoas major.
perfuse spine, back, abdominal wall

36
Q

What travels parallel and behind the abdominal aorta?

A

inferior vena cava

37
Q

What does the inferior vena cava pass through to get in to the abdominal region?

A

caval hiatus

38
Q

What drain into the inferior vena cava from the right upper quadrant?

A

Hepatic vein

39
Q

What does the hepatic vein drain from, to inferior vena cava?

A

liver

40
Q

What level does the Inferior vena cava bifricate in the abdominal region?

A

L4

41
Q

What does the inferior vena cava bifricate into at L4?

A

Right/Left Common iliac vein

42
Q

What does the common iliac veins further branch into?

A

Internal and external iliac veins

43
Q

What does the external iliac vein become once it passes the inguinal ligament?

A

femoral vein

44
Q

Which is more medial femoral artery or vein?

A

Femoral vein is medial to femoral artery

45
Q

Branching from each side of the inferior vena cava initially in the abdominal region are what two veins?

A

Right and Left renal veins

46
Q

Renal veins drains what organ?

A

kidneys

47
Q

What vein is found just inferior to the renal veins?

A

right Gonadal vein

48
Q

Where is the left gonadal vein branching from?

A

left renal vein

49
Q

What are the two venous system found in the abdomen?

A

systemic venous

hepatic venous system

50
Q

Where does the systemic venous system drain directly all into?

A

inferior vena cava

51
Q

Where does the hepatic venous system drain to?

A

all to the liver

52
Q

What drains into the hepatic venous system? and where into the hepatic venous system do they all converge and drain?

A

superior mesenteric vein
inferior mesenteric vein
splenic vein
drain all to the hepatic portal vein

53
Q

Generally speaking all GI blood in the venous system drain to what organ?

A

Liver

54
Q

What are the ventral rami in the thoracic region called?

A

intercostal nerves

55
Q

What info is from the ventral rami/intercostal nerve?

A

both motor and sensory

56
Q

intercostal nerves in Levels T2-T7 are involved in what?

A

intercostal nerves dealing with respiration

57
Q

Continuations of lower intercostal nerves from T7 and inferiorly are involved in what?

A

innervate the motor and sensory of the lateral and anterior abdominal walls

58
Q

If someone had spinal cord injury at T8 what would you see a loss of function in?

A

Loss in abdominal function, not effecting normal tidal breathing, they have intercostal and diaphragm

59
Q

If someone has spinal cord injury superior to T8 spinal level what would you see a loss of function in?

A

respiration, due to effecting of diaphragm and intercostals

60
Q

Where do most of the nerves innervating the posterior abdominal wall derive from?

A

Lumbar plexus

61
Q

What is the lumbar plexus?

A

complex of joining and rebranching nerves of anterior primary rami from T12 to L5

62
Q

What are the nerves that supply the lateral and anterior abdominal walls?

A

lower intercostal nerves from T7 downward

63
Q

How does the nerves that sit in between the transsverses abdominus and internal oblique run?

A

obliquely inferior and anteriorly

64
Q

The first nerve to emerge from T12 is known as what nerve?

A

subcostal nerve being immediately inferior to the 12th rib

65
Q

What two nerves also branch from the T12 beside the subcostal nerve? which is more superior/inferior?

A

Ilio-hypogastric is more superior

Ilio-inguinal nerve is more inferior

66
Q

Where do the lumbar plexus nerves travel through or behind?

A

Psoas major

67
Q

Where does the ilio-inguinal nerve course through??

A

iliac crest and through the inguinal canal and out of the superficial inguinal ring

68
Q

What is the visible difference of the ilio-hypogastric and ilio-inguinal nerve?

A

ilio-hypogastric will pierce through the lateral abdominal wall and disappear
ilio-inguinal will course along the inner portion of iliac crest and go through the inguinal canal and superficial inguinal ring

69
Q

ilio-inguinal nerve provides sensation to where?

A

sensation to proximal medial thigh, commonly known as the groin

70
Q

if someone pinches the ilio-ingional nerve what pain is felt?

A

groin pain

71
Q

What nerve is inferior to the ilio-inguinal nerve?

A

lateral femoral cutaneous nerve

72
Q

What muscle is the lateral femoral cutaneous nerve sit on top of?

A

iliacus muscle

73
Q

What does the lateral femoral cutaneous nerve course along and to?

A

courses along superficially to ASIS, dive into the lateral thigh, providing sensation (cutaneous)

74
Q

if someone complains about lateral thigh pain, due to tight belt what can you assume?

A

compression of the lateral femoral cutaneous nerve

75
Q

What nerve rides along the psoas major?

A

genito-femoral nerve

76
Q

What are the two branches and orientation of the genito-femoral nerve?

A

medially is the genito branch of the genito-femoral nerve

Laterally is the femoral branch of the genito-femoral nerve

77
Q

Where does the genito branch of the genito-femoral nerve provide sensation to?

A

groin area and some genital region

78
Q

What motor information is sent from the genito branch of the genito-femoral nerve?

A

premaster reflex

79
Q

What is the premaster reflex?

A

cutaneous reflex of elevating or depressing of the scrotum due to temperature change.

80
Q

Just lateral to the Psoas major and deep is what thick nerve?

A

femoral nerve

81
Q

What does the femoral nerve dive deep to and go towards?

A

deep to inguinal ligament

to the anterior thigh

82
Q

Which is more medial and lateral, femoral nerve and femoral artery?

A

Femoral nerve is lateral to the femoral artery

83
Q

What nerve is found medial to the psoas major coursing through the pelvis?

A

Obturator nerve

84
Q

What does the obturator nerve pierce through and course through?

A

through the pelvis, course toward obturator membrane, piercing the obturator foramen

85
Q

What does the obturator nerve innervate?

A

medial thigh

86
Q

What does the femoral nerve innervate?

A

Iliacus muscle.