GI Procedures

30問 • 1年前

問題一覧

- The development of undesired side effects or toxicity caused by the administration of drugs - The organs of digestion; the digestive tract - An artificial opening (stoma) created in the large intestine and brought to the surface of the abdomen for the purpose of evacuating the bowels

- Adverse effects - Alimentary canal - Colostomy

- Inflammation of a sac or pouch protruding from the walls of the intestines, especially the colon - An artificial opening (stoma) erected in the small intestine (ileum) and brought to the surface for the purpose of evacuating feces - A thin tube that is inserted through the nose and into the stomach for the purpose of instilling substances or for the removal of substances

- Diverticulitis - Ileostomy - Nasogastric tube

- General term for an operation in which an artificial opening is formed - Inflammation of the serous membrane lining the abdominal cavity and surrounding the abdominal organs - An opening in the body created by bringing a loop of bowel to the skin surface

- Ostomy - Peritonitis - Stoma

2 Parts of GI Tract

- Upper GI - Lower GI

Lower GI tract consists of 4? SLCR

small intestine large intestine colon rectum.

Upper GI tract consists of 5? MPESD

mouth, pharynx, esophagus, stomach, duodenum.

4 Ancillary Organs of GI Tract SLGP

salivary glands, liver, gallbladder, and pancreas.

sequence in GI Tract to ensure the most accurate results and minimize patient discomfort like?

• Examinations that do not require contrast media should be performed first. • Radiographic examinations of the urinary tract should precede any barium studies. • Studies of the lower GI tract must be done before studies of the upper GI tract. • Iodine contrast studies should be performed before barium contrast studies.

used to enhance the visibility of internal structures during imaging procedures.

Contrast media

2 Types of Contrast Media

- Negative - Positive

contrast media that appear dark on radiographs

Negative Contrast Media

like barium sulfate, appear light

Positive Contrast Media

- commonly used positive contrast agent - generally considered non-toxic - can cause constipation and fecal impaction. Patients need instructions to increase fluid intake, increase fiber, and may need a laxative after the procedure

Barium Sulfate

When barium is contraindicated, an _________ may be prescribed.

iodinated contrast agent

It is critical for the radiographer to understand the ICP of each contrast media used.

indications, contraindications, potential adverse reactions

Types of Adverse Effects in GI Tract AAP

- Anaphylactic Shock - Aspiration - Peritonitis

most frequent type of shock

Anaphylactic Shock

to draw in or out using a sucking motion. Usually happens when patient vomits

Aspiration

medical procedure that removes something from an area of the body

Breathing

If barium leaks into the peritoneal cavity, this may happen

Peritonitis

The ____ must be thoroughly cleansed before lower GI studies . • This usually involves a combination of dietary restrictions, laxatives, and cleansing enemas.

Colon

Lower GI tract studies typically involve a ________ to visualize the colon

barium enema (BE)

During BE procedure, barium sulfate is introduced into the colon through the?

rectum

Special considerations for pediatric patients undergoing BE: • The barium mixture may need to be _______ than for adults. • The amount of barium will be ____ • Never use an _________ for an infant or child.

- more diluted - less - inflatable cuff

• The patient must be told not to ____ or allow gas from the stomach to come out.

Burp

A ___-shaped tip with a drainage bag is frequently used for administering barium to an ostomy patient, instead of an inflatable cuff.

Cone

Studies of the upper GI tract include examinations of the P, E, S, D, SB

pharynx, esophagus, stomach, duodenum, and small bowel

are typically not required before upper GI studies.

Enemas

A ________ will be used if barium is contraindicated due to possible perforation or obstruction.

water-soluble iodinated contrast medium

During the examination, the patient will need to change positions as the barium is viewed.

fluoroscopically

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