Abdominal Pain Flashcards
What is the level of the transpyloric plane?
L1
Which structures pass through the transpyloric plane?
- First lumbar vertebrae (L1)
- Pylorus of stomach
- Neck of pancreas
- Fundus of gallbladder
- Renal hilum
- Duodenojejunal flexure
- End of spinal cord
What is the interspinous plane?
Horizontal plane through the anterior superior iliac spines, marking the boundary of the umbilical region superiorly and the hypogastric region.
At what vertebral level is the supracristal plane?
L4
At what level does the abdominal aorta bifurcate?
L4
What happens at the supracristal plane?
Supracristal plane: Horizontal plane through the iliac crest at the L4 vertebral level.
• Passes through the umbilical and left/right lumbar regions.
• Used to divide the lower and upper abdominal quadrants.
• Level at which the abdominal aorta bifurcates into the left and right common iliac artery.
At what level does the subcostal plane exist?
L3
What is the subcostal plane?
Subcostal plane: Transverse plane which bisects the body at the level of the 10th costal margin, and the vertebra body L3.
What vertebral level is the origin of the inferior mesenteric artery?
L3
What are the 9 abdominal regions?
Right and left hypochondriac Epigastric Right and left lumbar Umbilical Right and left iliac region Hypogastric
In which abdominal region does the gallbladder reside in?
Right hypochondriac region
What structures are associated with the epigastric region?
Stomach, duodenum and pancreas
Which structure is associated with the left hypochondriac region?
Tail of Pancreas, Spleen
The kidneys are associated with which two abdominal regions?
Right and left lumbar regions
Which structures are associated with the umbilical region of the abdomen?
Small bowel
Caecum
Retroperitoneal structures
Which structure is associated with the right iliac region?
Appendix and caecum
Which structures are associated with the hypogastric region?
Transverse colon
Bladder
Uterus and adenxa
The sigmoid colon is associated with which abdominal region?
Left iliac region
What forms the foregut?
The distal oesophagus till the proximal half of the 2nd part of the duodenum
What supplies the foregut?
Coeliac trunk
What are the three main branches of the coeliac trunk?
Left gastric, common hepatic and splenic artery
What forms the midgut
Distal half of 2nd part of duodenum Proximal 2/3 of transverse colon.
What supplies the midgut?
The superior mesenteric artery
What forms the hindgut?
Distal 1/3 of transverse colon till the rectum
What supplies the hindgut?
The inferior mesenteric artery