Flashcards in Abdomen Deck (59):
What does a KUB view allow you to see?
Kidney, ureter, bladder
(same as supine)
What does the upright view look for?
Free air, air fluid levels in teh bowel
What does a prone view allow you to see?
Gas in rectosigmoid
What allows you to identify the large bowel?
How does the small bowel appear?
Go all the way across the lumen
What are phleboliths?
benign lymph nodes having to do with pelvic veins (small calcified area within a vein)
What is when one or emore loops lose their ability to propel the peristalic wave of the bowel?
What is where Physical, organic, obstructing lesion prevents the passage of intestinal content?
Loops proximal to the obstruction become...
Dilated with air/fluid
Loops distal to the obstruction becomes....
decompressed or airless
What can prolonged obstruction lead to?
vascular compromise, necrosis, and perforation
In a localized ileus, is there gas in the rectum or sigmoid?
People with abdominal or pelvic surgery can often get what?
Generalized adynamic ileus
Are there bowel sound with generalized adynamic ileus?
All of these can cause what?
Post surgical adhesions, malignancy, hernia, gallstones, IBS
Mechanical small bowel obstruction
When you see "air fluid level" what should you think?
Mechanical small bowel obstruction
What is a major clue as to whether there is an obstruction or not?
Gas in recto-sigmoid colon
In small or large intestine bowel obstructions are there airfluid levels?
Small intestine obstructions
In a large bowel obstruction, when will the small bowel become dilated?
Ileocecal valve become incompetent
If a patient has a large bowel obstruction, should you give them oral barium?
What is the throck morton sign?
The way the penis is pointing is the side of the pathology.
What is free air in the abdomen?
If you can see the wall of the intestine, what does that indicate?
There is air inside and outside
or intestines are looping near one another
What does Rigler sign indicate?
What is colonic interposition?
When a piece of colon is between the liver and diaphragm, can be confused with pneumoperitoneum
What is another name for biliary air?
What can cause pneumobilia (biliary air)?
• May be result of surgery
• May be due to incompetent sphincter of Oddi
• Following passage of gallstone
Which is more common, pneumobilia or portal venous gas?
What does portal venous gas have a high association with?
What is a difference b/w pneumobilia and portal venous gas?
Air is more peripheral in portal venous gas
What is air within the wall of the intestine?
Linear or circumferencial lucencies surrdouning the normal bowel gas
In a newborn, what is a cause of pneumatosis intestinalis?
What are some causes of intestinal ischemia?
Arterial Occlusion/ Stenosis
Venous Occlusion from hypercoaguability
What are signs of intestinal ischemia in adults?
bowel wall thickening
Portal venous gas
What is a way you can see colonic ischemia?
Looks like big thumbs pressed onto the colon
haustral markings start looking thick
When can pneumatosis intestinalis be considered a benign finding?
What is a kidney stone that assumes the shape of the kidney collecting duct?
What is a contrast technique used to evaluate for kidney stones, urinary tract abnormalities,
WHat is a faster technique than IVP that doesn't use contrast that is used to asses for acute renal colic?
Where do a lot of stones get stuck?
What is a calcification within a vein that can be confused with a kidney stone? Make sure to look at ureter and vein to differentiate.
What helps you differentiate a phlebolith from a kidney stone?
Phleboliths have a central lucency
What is the best method to see gallstones?
How does a gallstone appear on US?
Mobile echogenic focus with posterior acoustical shadowing
What is gas in the gallbladder wall?
What do Pancreatic Calcifications usually indicate?
When is a small bowel considered dilated?
Small bowel > 3 cm
When is the large bowel considered dilated?
Large bowel > 5 cm
When is there an impending perf?
>10 cm dilated
What is the triad of a gallstone ileus?
o Biliary Gas
o Calcified Gallstone
In adults what normally causes Intussusception?
Tumor (leads the process)
What is the most common obstruction b/w 3-6 years of age?
What is the most common site of Intussusception ?
What is a sign that indicates intussusception?
What is one of the things used to treat intussusception?
Barium enema used to push it back
What are common causes of colonic obstruction?
What are the two major types of volvulus of the colon?
Sigmoid and Cecal
Who normally have volvulus of the colon?
Elderly and/or debilitated patients