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FA - GastroIntestinal > GI6 > Flashcards

GI6 Flashcards

1
Q

Site of anastomosis: Esophagus

  • Clinical sign
  • Portal <> Systemic
A

Esophageal varices

Left gastric <> Esophageal

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2
Q

Site of anastomosis: Umbilicus

  • Clinical sign
  • Portal <> Systemic
A

Caput medusae

BELOW umbilicus:
-Paraumbilical <> Superficial and Inferior epigastric
ABOVE umbilicus:
-Superior epigastric <> Lateral thoracic

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3
Q

Site of anastomosis: Rectum

  • Clinical sign
  • Portal <> Systemic
A

Internal hemorrhoids

Superior rectal <> middle and inferior rectal

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4
Q

What is the treatment for Portosystemic anastomoses?

A

Transjugular Intrahepatic Portosystemic Shunt (TIPS)
-Between portal vein and hepatic vein percutaneously relieves portal hypertension by shunting blood to the systemic circulation

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5
Q

What is the pectinate line?

A

Where endoderm (hindgut) meets ectoderm

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6
Q

Above or Below Pectinate line:

- Internal Hemorrhoids

A

Above

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7
Q

Above or Below Pectinate line:

- Squamous cell carcinoma

A

Below

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8
Q

Above or Below Pectinate line:

- External Hemorrhoids

A

Below

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9
Q

Above or Below Pectinate line:

- Adenocarcinoma

A

Above

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10
Q

What is the arterial supply above the pectinate line?

A

Superior rectal artery

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11
Q

What is the arterial supply below the pectinate line?

A

Inferior rectal artery

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12
Q

The superior rectal artery is a branch off of what?

A

IMA

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13
Q

The inferior rectal artery is a branch off of what?

A

Internal pudenal artery

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14
Q

Lymph drainage from Above pectinate line.

A

Deep nodes

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15
Q

Lymph drainage from Below pectinate line.

A

Superficial inguinal nodes

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16
Q

What hemorrhoids are painful?

A

External (recieve somatic innervation - inferior rectal branch of pudendal n.)

17
Q

What is the venous drainage from Above the pectinate line?

A

Superior Rectal v. –> Inferior Mesenteric v. –> Portal system

18
Q

What is the venous drainage from Below the pectinate line?

A

Inferior Rectal v. –> Internal Pudendal v. –> Internal Iliac v. –> IVC

FA - GastroIntestinal (25 decks)

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