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UGI/Esophogram
Ch. 14
Question | Answer |
---|---|
What are the 3 most common projections for an esophogram? | RAO, Left Lateral, PA (or AP) |
What are the 5 most common projections for an UGI series? | RAO, PA, Right Lateral, LPO, AP |
When should respiration be suspended for UGI radiographic projections? | On expiration |
Is most of the duodenum usually found to the left, or the right of the midline on a sthenic patient? | To the right of the midline |
Which projection taken during an UGI will best demonstrate the retrogastric space? | Lateral |
What are the 4 radiographic tests that may be performed to detect signs of GERD? | Breathing Exercise, Water Test, Compression Technique, Toe Touch |
What position is the patient usually places=d in for the water test? | Slight LPO |
Why should cigarette & gum chewing be restricted before an Upper GI series? | Both activities increase the gastric secretions. |
Why is the RAO performed over the LAO for an esophogram? | It places the esophagus between the vertebral column & the heart. |
What materials may be used for swallowing to aid in the diagnosis of radiolucent foreign bodies? | Cotton balls soaked in barium, Pills, Marshmallows soaked in barium |
which procedure is often performed to detect early signs of GERD? | Endoscopy |
Where can peptic ulcers be located? | Peptic ulcers can be located anywhere in the stomach |
Where can duodenal ulcers be located? | Duodenal ulcers are located in the duodenal cap |
Where can gastric ulcers be located? | Gastric ulcers can be located anywhere in the stomach except in the duodenum |
What is the radiographioc appearance of ulcers? | Lucent-Halo sign appearing during an UGI. May appear as a crater. |
What is the radiographic appearance of gastritis? | A spreckled appearance of the gastric mucosa. The rugal folds will not appear since the stomach is swollen. |
What is the radiographic appearance of a hiatal hernia? | a gastric bubble above the diaphragm. |
What is the term for a churning or mixing activity present in the small bowel? | Rhythmic segmentation |
Is the C-Loop of the duodenum & pancreas in the intraperitoneal, or retroperitoneal region? | In the retroperitoneal region |
Which 3 pairs of salivary glands are accessory organs of digestions associated with the mouth? | Parotid, Sublingual, Submaxillary/Submandibular |
Absorption of nutrients primarily takes place in the ____________, although some substances are absorbed through the lining of the __________? | The SMALL INTESTINE primarily. Some substances are absorbed in the lining of the STOMACH. |
What are the 4 parts of the duodenum? | 1) Superior portion (contains the duodenal bulb) 2) Descending portion (contains duodenal papilla) 3) Horizontal portion 4) Ascending portion |
What is the junction of the Duodenum & Jejunum? What holds it in place? | Duodenal-Jejunal Flexure is the juntion. The Ligament of Trietz holds it in place. |
Where is the air/gas & Barium distribution when the patient is in the following; supine, prone, erect? | Supine: Air is in the body & pylorus. Barium is in the fundus & portion of the body. Prone: Air rises to the posterior fundus. Barium is in the body & the pylorus. Erect: Air is in the fundus. Barium is in the body & pylorus. |
What are the 3 main subdivisions of the stomach? | The Fundus. The Body. The Pylorus. |
What are the 2 parts of the pylorus? | Pyloric Antrum & Pyloric Canal |
What is the percentage of water, solutes & digestive enzymes in saliva? | 99.5% water & 0.5% solutes & digestive enzymes |
Name the parts of the alimentary canal | Oral cavity (mouth), Pharynx, Esophagus, Stomach, Small Intestine, Large Intestine & Anus |
What are the accessory organs of digestion? | The salivary glands (Parotid, Submandibular/Submaxillary, Sublingual), Pancreas, Liver, Gallbladder |
What substances are directly absorbed by the stomach? Or what substances are ingested, but not digested? | Vitamins, Minerals & Water |
What are the 3 primary functions of the digestive system? | Digestion/Ingestion, Absorption & Elimination |
What 2 abdominal organs are most dramatically affected in relation to location, by body habitus? | Stomach & Gallbladder |
On average, How much will abdominal organs drop in the erect position? | 1-2 inches |
A high & transverse stomach would be found in which type of body habitus patient? | A hypersthenic patient would have a high & transverse stomach |
A "J" shaped stomach that is more vertical & lower in the abdomen with the duodenal bulb at the level of L3-L4 would be what body type? | Hyposthenic/Asthenic |
Which term describes food once it's mixed with gastric secretions in the stomach? | Chyme |
What is a substance that is not an enzyme, but serves to emulsify fats? | Bile |
List the end products of digestion for the following classes of food; Carbohydrates, Lipids, Proteins | Carbohydrates-Simple Sugars, Lipids-Fatty Acids, Proteins-Amino Acids |
Which of the 3 primary food substances digestion begins in the mouth? | Carbohydrates |
Any residue of digestive products are eliminated from the ___________ as a feces componenet. | Large Intestine |
What part of the UGI tract is a common site for ulcer disease? | The duodenal bulb |
The speed with which barium sulfate passes through the GI tract is called what? | Gastric Motility |
Which capability on most digital fluoroscopy systems demonstrates dynamic flow of contrast media through the GI tract? | CineLoop Capability |
Which device in a digital fluoroscopy system converts analog into a digital signal? | CCD |
Which aspect of the GI tract is best demonstrated with an RAO position during an Upper GI on a sthenic patient? | The pylorus & the C-Loop of the duodenum |
What is teh purpose of the PA axial prjection for the hypersthenic patient during an Upper GI? | To prevent superimposition of the pylorus over the duodenal bulb, as well as to better visualize the greater & lesser curvature |
What patient positions constitute the Cadiac Series? What is the cardiac series ordered for? | PA, Left Lateral, 45 degrees RAO, 60 degrees LAO. The cardiac series is done to measure the size of the heart. |
When would the optional swimmer's lateral projection be performed for the Esophagus? | When the proximal Esophagus is the area of interest. |
For the AP projection with the patient supine as part of the UGI exam, which procedure could be performed to best demonstrate a hiatal hernia? | Tilt the table and patient into full Trendelenburg position |
The musculomembranous passage that extends from the pharynx to the stomach is what? | The Esophagus |
What is the most distal part of the stomach? | The Pyloric portion |