Abdominal xray knowledge Flashcards
Retroperitoneal organs cause pain where?
Back pain
Intraperitoneal organs cause pain where?
Abdominal pain
Pancreas causes pain?
Both back and abdomen
KUB xray stands for?
kidney, ureter, and bladder
How many views does an abdominal xray require?
Usually one one
Structures that cross midline?
Stomach, Transverse Colon, Small Bowel, Aorta, IVC, Urinary Bladder, Uterus
If psoas muscle shows up then what is unlikely?
fluid accumulation
What three parts make up the small bowel?
duodenum, jejunum and ileum
What is the hallmark signs of small bowel obstruction?
gaseous distention, multiple air-fluid levels on upright xray
Normal diameter of small bowel?
2.5-3.0 cm
How many air-fluid levels are normally found in the small bowel?
2-3 fluid levels normal
Small bowel is located where on an xray?
Centrally
What is the name and shape of small bowel folds?
Valvulae conniventes (coiled spring appearance), Circular
What is the location of a large bowel on an xray?
Peripherally
What is the name and shape of large bowel folds?
Haustra, Semicircular
Normal diameter of the large bowel?
less than 5cm
What is normally found in the large bowel?
Solid feces normal
Large bowel is also called the…?
Colon
What are four possible causes of small bowel obstruction?
Adhesions, hernia, tumor, gallstone (T.H.A.G.)
What are four possible causes of large bowel obstruction?
Tumor, abscess, diverticular disease, volvulus (T.A.D.V.)
Is there normally gas in the large bowel?
Yes
What do you ask a patient with a possible large bowel obstruction?
“Are you farting?”
“String of Pearls Sign” pathoneumonic for what?
Small Bowel Obstruction
What does the Coffee Bean Sign represent?
Volvulus (twisting of bowel)
The jejunum is part of the small or large bowel?
Small
What does the jejunum look like?
Coiled Spring
The ileum is part of the small or large bowel?
Small
What does the ileum look like?
Almost rectangular. No indented serosa.
What has an indented serosa?
Colon/Large Bowel only
Does the ileum has an indented serosa?
Nope, only the colon/large bowel
The colon has indented serosa due to?
Haustra
What does free air in abdomen look like?
Black area where it shouldn’t be
Ascites due to
excess alcohol consumption
Vascular pattern in ascities due to
portal hyptertension
Ascites will cause haustral folds to appear where?
In center but they shouldn’t be there (usually with large bowel/colon in periphery)
Hepatomegaly is defined as
Enlarged liver
Hepatomegaly causes the stomach to lose what?
Lose air bubble
What are the 3 places a kidney stone gets stuck?
renal pelvis, ureter at edge of ileum, top of bladder
Kidney stones aka
Nephrocalcinosis
Gallstones can cause…?
pancreatitis
Why take out gall bladder?
Gall bladder stores bile which emulcifies fat but with gall stones backup can cause many problems
What is a Phlebolith?
Stone in a vein
What can Phleboliths be mistaken for?
Kidney stone but Phlebolith can occur too far down to be a kidney stone
What is a Fecolith?
Stone made of feces in colon
Moth eaten appearance can mean what?
Cancer
Fecolith can be differentiated from a kidney stone how?
Fecoliths are too large and not in line with kidneys or ureters
Inguinal Hernia happens in what age range?
Kids
Inguinal Hernia can cause bowel sounds in what unusual spot?
Scrotum
Does the small bowel or large bowel do “stacking”?
Small bowel does stacking
What is apple core lesion?
In colon, narrow channel of bowel called causing stool to back up
Coiled Spring Sign means?
Severe dilation on small bowel, very dilated. Usually due to small bowel obstruction.
What is Achalasia?
trouble with food passing into stomach. can effect solids and liquids. look for upsidedown bird beak sign.
Upsidedown bird beak sign means?
Achalasia, trouble with food passing into stomach
String Sign means what disease?
Chron’s
What is Diverticulosis?
Outcroppings in colon. mostly in old PT and meth addicts. diverticulosis is just the presence of outcroppings, diverticulitis is inflammation. put in hospital and manage.
What is IntraVenous Pyleogram (IVP)?
injectable iodine into veins, analogue to barium. Good for kidney stones.
Nephrolithaisis aka?
Kidney stone
What is a Bezoar?
hair ball in stomach