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47 Cards in this Set

  • Front
  • Back
What is the pathogenesis of the dilated portion of bowel seen in Hirshsprung disease?
The dilated portion is proximal to the affect bowel. The affected bowel does not exhibit peristalsis therefore there is a backup of feces proximally leading to dilation
What are the 4 anatomical spots that can cause dysphagia?
Left Main bronchus, aortic arch, hiatus of the diaphragm (T10) Cricopharyngeus muscle
Most common hiatal hernia
Sliding Hiatal hernia
Increase risk of GERD
What is a Paraesophageal Hernia?
The GE junction is in the normal location, but a portion of stomach rolls up beside it into the thorax. Does NOT increase risk of GERD
Why does a sliding hiatal hernia have an increase risk of GERD?
Bc the LES is not supported by the diaphragm
A full term infant presents with nonbilious projectile vomiting at 2-3 weeks of life
pyloric stenosis
Most common location for PUD?
MC location is the lesser curvature between the body and the pyloric antrum at the angular notch
Where can Gastric Ulcers perforate into? What arteries are you concerned with?
Deep ulcers on the lesser curvature can either perforate into the lesser or the greater sac.
They can ulcerate the right or left gastric arteries  Hemorrhage
What are we always concerned about with ulcers?
Perforation of the ulcers.
Celiac Trunk is at what level?
T12
What level is the supra adrenal glands at?
T12
What is the ligament of Trietz
The ligament that hold the 4th section of the duodenum up around L2
At what level does the duodenum start at?
L1
What is special about the first part of the duodenum?
It does not have any pilcae circularis
Where is the most common Duodenal ulcer found?
MC on the Anterior wall
What happens if there is an ulcer of the posterior wall?
Erosion into the gastroduodenal artery
Burning epigastric pain, beginning 2-3 hours after meals. Also epigastric pain at night between 11 am and 2 am. Relieved by antacids.
duodenal ulcer
What two structures does the SMA override?
Left Renal Artery and the 3rd portion of the duodenum
Which zone of the liver is affected by ischemia first?
Zone III-closest to the central vein
What is the Most common adhesion of the gallbladder?
Where it adheres to the duodenum
possibly letting a gallstone go into the duodenum traveling down to the iliocecal valve then getting compacted.
Diagnosis can be made using plain film xray by visualizing air in the biliary tree
gallstone illeus
Where is the most common place to get diverticulosis?
Sigmoid colon
caused by a low fiber diet and increased straining in defecation
diverticulosis
Bowel pain from a fecalith is referred to?
L1-L2
The MC place for intussusception is at the
Ileocecal junction
The appendix is suspended by the ________ which contains the ________ branch of the ileocolic artery
mesoappendix, appendicular
What is Rovsing's sign?
Rovsing's sign is a sign of appendicitis. [1] If palpation of the lower left quadrant of a person's abdomen results in more pain in the right lower quadrant, the patient is said to have a positive Rovsing's sign and may have appendicitis.
Where would you expect tissue texture change for acute appendicitis?
T10-T12
An 11 year old girl no significant PMH is brought to the ED because of severe RLQ abdominal pain. Several hours earlier she had pain in her periumbilical region.
appendicitis
To remove the appendix we must ligate the appendicular artery, this is a branch of which artery?
Ileocecal <-- SMA
What is a psoas sign?
When you ask the patient to extend their RIGHT leg and try to push up against your resistance. If + you will reproduce the pain. The is a good indicator of appendicitis
Internal hemrrhoids have ____ pain and they _____
no , bleed
External hemorrhoids have _____ but do not _____
pain, bleed
What is clinically significant about the ligament of trietz?
It seperates upper GI bleeds from Lower GI bleeds. Upper GI will produce Melena while lower GI bleeds will produce red stool.
Duodenum proximal to the ampulla of Vater is supplied by the _________ arteries a branch of the _____ trunk.
Superior Pancreaticduodenal
Celiac
Duodenum distal to the ampulla is supplied by the inferior pancreaticoduodenal arteries a branch of the _______
Superior mesenteric Atery
T/F The superior most part of the liver is not covered by perineum?
True: thus infectious agents such as Entamoeba histolytica can access the pleural cavity
What starts at the ligament of Treitz?
The Jejunum
Where is the jejunum mostly located?
LUQ
Where is the ileum mostly located?
RLQ
What is unique about the jejunum on X-ray?
They have large pilcae circularis
Diverticulosis:
pulsion diverticula, at entry points of arteries through the muscularis. MC in sigmoid colon.
The ascending and descending colon are _______
retroperitoneal
Which structures are Primarily retroperitoneal?
Kidney and adrenal glands
Which structures are secondarily retroperitoneal?
duodenum (2,3,4), Ascending colon, descending colon, Pancreas, Aorta, IVC,rectum, esophagus, ureter, bladder
Left sided Colon tumors will present with?
obstruction
Right sided colon tumors will present with?
fatigue and iron deficiency anemia