IVC and Hepatic Portal System Flashcards

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1
Q

At what vertebral level does the IVC form

A

L5

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2
Q

Which two veins for the IVC

A

2 common iliac veins

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3
Q

At what vertebral level does the IVC end

A

T8 after the caval hiatus of the diaphragm

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4
Q

The

inferior vena cava receives blood from..

A

lower limbs, pelvis and perineum, paired abdominal viscera, and body wall

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5
Q

What are the only two areas of the GIT that drain into the IVC

A

Lower rectum and anal canal

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6
Q

What do the right suprarenal and gonadal veins drain into

A

Drain separately into the IVC

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7
Q

What do the left suprarenal and gonadal veins drain into

A

Left renal vein

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8
Q

What does the left renal vein drain into

A

IVC

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9
Q

What two blood vessels does the renal vein pass between

A

Aorta (anteriorly) and Superior mesenteric artery (posteriorly)

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10
Q

Where does the hepatic portal system receive blood from

A

The GI tract above the pectinate line

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11
Q

Drainage of the portal vein

A

drain to the hepatic veins, which then drain into the inferior vena cava and ultimately
into the right atrium

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12
Q

The portal vein is formed by union of …

A

Splenic and Superior mesenteric vein

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13
Q

What drains into the splenic vein

A

Inferior mesenteric vein

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14
Q

Splenic drains fore, mid or hind gut

A

Foregut

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15
Q

Portal hypertension is caused by

A

Blockage in the portal system

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16
Q

Enlargement of esophageal veins may result in

A

esophageal varices

17
Q

Enlargement of rectal veins may result in

A

hemorrhoids

18
Q

Enlargement of thoracoepigastric veins may result in

A

caput madusae

19
Q

Which veins anastomose in the esophageal site

A

esophageal and left gastric

20
Q

Which veins anastomose in the rectal site

A

Superior rectal and Middle &inferior rectal

21
Q

Which veins anastomose in the epigastric site

A

paraumbilical and superficial & inferior epigastric

22
Q

A fourth site of anatosomes

A

Colic and retroperitoneal

23
Q

How to identify which veins are portal

A

They go back to the Portal vein or they are intraperitoneal and secondary retroperitoneal

24
Q

How to identify which veins are caval

A

They go back to the IVC or they are retroperitoneal