Esophagography Flashcards
a radiographic examination of the pharynx and esophagus utilizing a radiopaque contrast medium
Esophagography
What is the purpose of Esophagography?
To study radiographically the form and function of the swallowing aspects of the pharynx and esophagus.
Whats is the contrast media used in Esophagography?
Thin Barium Sulfate (BaSO4)
What are the Barium Sulfate Preparation?
- Thin BaSO4 mixture
- Heavy BaSO4 paste
- Gelatine Capsule filed with BaSO4
- Tufts or pledgets of cotton saturated with thin BaSO4
Used for the detection of stictures.
Thin BaSO4 mixture
For the detection of intra-luminal lesions
Heavy BaSO4 paste
Used for the demonstration of obstruction
Gelatine Capsule filed with BaSO4
Used for the demonstration of obstruction and detection of foreign bodies
Tufts or pledgets of cotton saturated with BaSO4
What are the types of examination in Esophagography?
- Single Contrast Study
- Double Contrast Study
The fluoroscopic and spot film examination is started with the patient in the upright position, whenever possible.
Single Contrast Study
The horizontal and Trendelenburg are used as indicated.
Single Contrast Study
Then the patient is instructed to take a cup containing the barium suspension in the left hand to drink it on request
Single Contrast Study
The technologist instructs the patient to perform various breathing maneuvers as the examination proceeds.
Single Contrast Study
a free flowing high density barium must be used for the type of examination
Double Contrast Study
A gas producing substance, usually carbon dioxide crystal or Gastroluft can be added to the barium suspension given.
Double Contrast Study
Spot radiographs are exposed during the examination and delayed images may be taken on request.
Double Contrast Study
of which patients may ingest a variety, include a bolus of food, metallic objects, and other materials lodging in the esophagus.
Foreign Body
closure of any part
Esophageal Atresia