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LOWER GI

QuestionAnswer
CR for lateral rectum? At the level of ASIS, MCP
CR for Obliques of large intestine? At the level of the Iliac crests, 2" lateral to MSP on elevated side
How many degrees for a Sims position? 40 degrees LAO with RIGHT knee flexed
The enema bag on the IV pole should be no more than how many inches above the level of the table? 24 inches
During an Enteroclysis, the catheter is placed and advanced until what portion of the small intestine? Duodenojejunal flexure
What positions demonstrate L colic (splenic) flexure? LAO,RPO
What positions demonstrate R colic (hepatic) flexure RAO,LPO
what position best describes the medial ascending colon and the lateral descending? Right Lateral Decubitus
what position best describes the lateral ascending colon and the medial descending? Left Lateral Decubitus
Pathology indicated by an "Apple core" appearance? Adenocarcinoma (colon cancer)
Bowel obstruction occurs when intestine twists around itself and it's own mesentery volvulus
bowel obstruction occurs when a portion of the intestine protrudes into the lumen of the adjacent bowel? Intussusception
What demographic does Intussusception most occur in? Children
Pathology is described by a small outpouching from the bowel wall? Diverticulum
Pathology appears radiographically as a loss of haustra in the large intestine with associated inflammation? Ulcerative Colitis
Pathology term is characterized by an abnormal connection between two internal organs or between an organ and the body surface? Fistula
What portion of the digestive system does celiac disease affect? small intestine, jejunal mucosa
pathology term describes part of the intestine protruding through the abdominal muscle? Hernia
pathology is describes by a small outpouching from the bowel wall? Diverticulum
Which pathology is described by a small mass protruding into the lumen of the bowel and would be best visualized with a double contrast study? polyps
Best procedure to demonstrate Ulcerative Colitis? Barium Enema
What type of contrast for enema to rule out bowel perforation Water Soluble
failure bowel peristalsis; referred to as "nonmechanical bowel obstruction" Ileus
inflammatory bowel disease causing chronic inflammation of small or large bowel Crohns Disease
Chronic digestive immune disorder; malabsorption disease caused by mucosal defect in the jejunum? *gluten* Celiac's disease
congenital aganglionic megacolon; absence of peristalsis, constipation; ganglion cells in distal colon do not develop properly Hirschsprung's disease
length of large intestine? 5 feet
length of small intestine? 22 feet
When is barium seen in the cecum after ingestion of barium? 2-3 hours
Where is the CR to be placed 15-30 minute interval images in a small bowel series? 2" above IC
Interval images after 30 minutes in a SBS require CR to be? at the IC
Patient prep for imaging small intestine? low residue diet for 2 days prior, NPO 8+
What dos a BE apparatus consist of? 3 quart bag (3000 mL), tubing and enema tip, retention balloon, air inflator for double contrast
image criteria that describes a 15 minute small bowel series AP projection? barium filled stomach, barium filled duodenum & jejunum, CR 2" above crest
sigmoid colon is best shown with what projections? PA/AP axial projection
primary function of the large intestine? elimination of waste
3 types of contrast that can be used in small and large intestine imaging procedures? barium, water soluble, air
primary function of the small intestine? absorption
four main parts of the colon? cecum, colon, rectum, anal canal
three main parts of the small intestine? duodenum, jejunum, ileum
upper 2/5th of small intestine? jejunum?
lower 3/5th of small intestine? Ileum
4 parts of the colon? ascending, descending, transverse, sigmoid
series of pouches along the large intestine formed by the taenia coli? Haustra
which is a functional study? Small Bowel Series or Enteroclysis? Small bowel series
what portions of the large intestine are barium filled while the patient is in a prone position? Transverse colon, portion of sigmoid
what portions of the large intestine are barium filled while the patient is in a supine position? ascending, descending, rectum
What's the angle for an AP axial? 30-40 degrees cephalad
what's the angle for a PA axial? 30-40 degrees Caudad
CR for PA axial? level of the ASIS
CR for AP axial? 2" inferior to ASIS
what projections demonstrate lateral rectum? ventral decubitus, Lateral rectum
how many total inches do you insert the tube into the rectum? 4 inches
True or False: if the enema tip will not easily insert into the patients rectum, you should forcibly shove the tip in even if it makes the patient uncomfortable? False.... they may have hemorrhoids or other conditions that makes it dangerous.
True or False: in the PA/AP axial, the transverse colon and both flexures are always included FALSE, THEY ARE NOT ALWAYS INCLUDED
kVp and mAs? 110-125 kVp, all 3 cells mAs
what is the mucosa called that aides the small intestine with digestion and absorption? villi
During an enteroclysis, the barium is injected at a rate of? 100 mL/min
true or false: the terms bowel and colon can used be used interchangeably? FALSE
the reusable squeeze inflator is recommended to limit air capacity to aprrox? 90 mL
what is the duodenojejunal flexure supported by? suspensory muscle of the duodenum (ligament of treitz)
narrowing or contraction of a passage? stenosis
inflammation of the bladder? colitis
name of the muscle suspending the distal rectum and attaches to the pubic bone? puborectalis muscle
degree of obliquity for all obliques? 35-45 degrees
Created by: bre092795
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