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LOWER GI
| Question | Answer |
|---|---|
| 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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