Gastrointestinal Embryology and Anatomy

Question 1

Foregut structures

Answer 1

Esophagus to duodenum
Liver, pancreas, trachea/lungs

Celiac artery

Gastric/splenic veins

Greater splanchnic veins

Greater splanchnic nerves

Vagus nerve

Question 2

Midgut

Answer 2

Distal duodenum to prox tvs colon

Sup mesenteric artery and vein

Lesser splanchnic nerves

Vagus nerve

Question 3

Hindgut

Answer 3

Distal tvs colon to rectum

Inf mesenteric artery and vein

Lumbar splanchnic nerves

Pelvic splanch neress

Question 4

Polyhydramnios

Answer 4

GI tract - duodenal, esophageal atresia and diaphragmatic hernia

Question 5

X-ray of duodenal atresi

Answer 5

Double bubble

Question 6

Diaphragmatic hernia what to look for

Answer 6

Compressed left lung and heart on the right

Question 7

Meconimu

Answer 7

Failure or delay

Hirschsprungs
Anal atrssia
Meconimum ileus

Question 8

Places to focus for FAST

Answer 8

Pericardial - subziphoid

RUQ - hepatorenal

LUQ - splenorenal

Suprapubic - retrovesical views

Question 9

Swallowed foreign body

Answer 9

Most likely getting caught at upper or lower esophageal sphincter

Question 10

Objects of concern

Answer 10

Large diameter - obstruction and perofrmation

LOng - can’t pass throug hstomach

magnetic - pressure necoriss and perforation

Battery - conducts and liquefaction necrosis may occur

Question 11

Indirect
Direct
Femoal

Answer 11

Ind - internal inguinal ring…sup to inguinal ligament and lat to inf epigastric vessels

Direct - Hesselbach’s…sup to inguinal…med to inf epigastric…lat to rectus

Femo - femoral canal…inf to inguinal lig…medial to inf epigastric…supr to cooper’s