Thorax+Abd

Question 1

MC complication R post stab wound

Answer 1

Kidney at risk

Question 2

Perforated gastric ulcers’ risk of which artery damage?

Answer 2

Gastric ulcer ruptured on lesser curvature : bleeding from L gastric artery

3rd part: sup mesenteric A

Question 3

Abd layers

Answer 3

Inner to outer

1. Extra peritoneal fat
2. Transversalis fascia (FIRST TO BE CROSSED BY ANY HERNIA!)
3. Trans.abdominis
4. Int oblique m + fascia
5. Ext oblique m + fascia

Question 4

Which hernia passes through deep inguinal ring, lateral to inf epigastric

Answer 4

Indirect inguinal

~ via processus vaginalis descends into scrotum

Inc risk of Varicocele

Question 5

Abd contents protruding through weak abd areas in genital region

Answer 5

Direct inguinal hernia

• Medial to inf epigastric
• Seen in old men

Question 6

Lesser omentum

Answer 6

Ligaments:

1. Hepatogastric
2. Hepatoduodenal

R + L gastric vessels

Portal triad
Bile duct
Portal vein
Proper hepatic artery

Question 7

gut: structures / blood supply / PNS / SNS / sensory innervation / referred pain

Foregut

Midgut

Hindgut

Answer 7

Foregut: 
esophagus to 2nd part of duodenum  / 
Celiac A / 
CN X / 
greater splanchic + celiac ganglion / 
DRG T5-9 / 
epigastrium 

Midgut: 
II duodenum to proximal 2/3transverse colon + appendix / 
SMA / 
CN X / 
lesser splanchic + sup mesenteric / 
DRG T10-11 / 
umbilical 

Hindgut: 
distal 1/3 transverse colon to rectum / 
IMA / 
pelvic splanchic S2-4 / 
L1-2 / 
hypogastrium

Question 8

Complications of splenectomy

Answer 8

Diabetes mellitus

D/t removal of tail of pancreas

Question 9

Complications of IX + X rib #

Answer 9

Splenic laceration

• peritoneal
  ULQ deep to L IX, X, XI ribs above the coastal margin

— XI rib bw spleen n upper pole of left kidney

Question 10

Cricothyrotomy

Answer 10

Midline below thyroid cartilage

Memb + cartilage

Question 11

Carotid sheath

Answer 11

CC + Int carotid
IJV
Vagus