Radiography Body Habitus and Contrast Measurements
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Radiography Body Habitus and Contrast Measurements

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Questions and Answers

What is the barium transit time to the stomach?

  • 1st part of barium reaches ileocecal valve in 2-3 hours
  • 3/4 waves per minute, 2-3 hours to empty (correct)
  • Reaches rectum in 24 hours
  • Acts within 1 minute, lasts 15-20 minutes

    • What is the purpose of glucagon in GI studies?

  • Relieves allergic reactions
  • Relaxes smooth muscles of the GI tract (correct)
  • Aids in passage of contrast material
  • Enhances gastric peristalsis

    • What body habitus describes individuals with thicker body parts?

  • Sthenic body habitus
  • Asthenic body habitus
  • Hypersthenic body habitus (correct)
  • Hyposthenic body habitus

    • In which position should a patient be placed if varices are suspected?

    <p>Recumbent (prone obl)</p> Signup and view all the answers

    Which condition is characterized by a failure of the lower esophagus sphincter muscle to relax?

    <p>Achalasia</p> Signup and view all the answers

    What is the most common cause of esophagitis?

    <p>Gastroesophageal reflux disease (GERD)</p> Signup and view all the answers

    What is the best method to diagnose esophageal cancer?

    <p>Endoscopy</p> Signup and view all the answers

    What treatment method involves laser-activated chemicals to destroy esophageal tumors?

    <p>Photodynamic therapy</p> Signup and view all the answers

    What is a large out pouching of the esophagus just above the upper esophageal sphincter called?

    <p>Zenker's diverticulum</p> Signup and view all the answers

    What condition is characterized by swollen, varicose veins at the lower end of the esophagus?

    <p>Esophageal varices</p> Signup and view all the answers

    Which method involves using sodium carbonate or sodium citrate to ensure stable and uniform suspension in examining the small intestine?

    <p>Enteroclysis (double contrast small bowel study)</p> Signup and view all the answers

    What medication is used to relax smooth muscles of the GI tract and has side effects including blurred vision and dry mouth?

    <p>Buscopan</p> Signup and view all the answers

    What percentage of the population has a hyposthenic body habitus?

    <p>35%</p> Signup and view all the answers

    In which position should a patient be placed if varices are suspected?

    <p>RAO recumbent</p> Signup and view all the answers

    What does glucagon do in GI studies?

    <p>Relaxes smooth muscles of the GI tract</p> Signup and view all the answers

    What is the barium transit time to the stomach?

    <p>$2-3$ hours</p> Signup and view all the answers

    What percentage of the population has an asthenic body habitus?

    <p>10%</p> Signup and view all the answers

    Which medication enhances gastric peristalsis to aid in the passage of contrast material during GI studies?

    <p>$\text{Maxolon}$</p> Signup and view all the answers

    What is the weight measure for barium in 100 grams of suspension?

    <p>W/W concentration</p> Signup and view all the answers

    What is the weight measure for barium in 100 ml of suspension?

    <p>W/V suspension</p> Signup and view all the answers

    What percentage range is used for UGI Single contrast?

    <p>50-60% W/V</p> Signup and view all the answers

    What percentage range is used for UGI Double contrast?

    <p>80-83% W/W</p> Signup and view all the answers

    What does maxolon do if varices are suspected?

    <p>Enhances gastric peristalsis to aid in the passage of contrast material during GI studies.</p> Signup and view all the answers

    Which condition is characterized by irritation/inflammation of the esophagus?

    <p>Esophagitis/GERD</p> Signup and view all the answers

    What is the best method to diagnose Esophageal Cancer?

    <p>Endoscopy</p> Signup and view all the answers

    What is the purpose of Buscopan in GI studies?

    <p>To relax smooth muscles of the GI tract</p> Signup and view all the answers

    What is Zenker's Diverticulum?

    <p>Large out pouching of the esophagus just above U.E.S.</p> Signup and view all the answers

    What condition is characterized by failure of the lower esophagus sphincter muscle to relax?

    <p>Achalasia</p> Signup and view all the answers

    What medication has side effects including blurred vision and dry mouth?

    <p>Buscopan</p> Signup and view all the answers

    Study Notes

    GI Studies

    • The barium transit time to the stomach is 5-10 minutes.
    • Glucagon is used to relax smooth muscles of the GI tract in GI studies.

    Body Habitus

    • Individuals with thicker body parts are described as endomorphic.
    • Asthenic body habitus is characterized by a slender build and is found in 10% of the population.
    • Hyposthenic body habitus is characterized by a thin, delicate build and is found in 5% of the population.

    Esophageal Conditions

    • Achalasia is characterized by a failure of the lower esophagus sphincter muscle to relax.
    • The most common cause of esophagitis is reflux esophagitis.
    • Esophageal cancer is best diagnosed using endoscopy and biopsy.
    • Photodynamic therapy involves laser-activated chemicals to destroy esophageal tumors.
    • Zenker's Diverticulum is a large outpouching of the esophagus just above the upper esophageal sphincter.

    Varices and Positioning

    • If varices are suspected, the patient should be placed in the Trendelenburg position (head down).

    Medications

    • Metoclopramide (Maxolon) enhances gastric peristalsis to aid in the passage of contrast material during GI studies.
    • Buscopan is used to relax smooth muscles of the GI tract in GI studies.
    • Medications like atropine and anticholinergics have side effects including blurred vision and dry mouth.

    Barium Suspension

    • The weight measure for barium in 100 grams of suspension is 30-40%.
    • The weight measure for barium in 100 ml of suspension is 30-40%.
    • UGI Single contrast typically uses a 50-70% barium suspension.
    • UGI Double contrast typically uses a 100-150% barium suspension.

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    Description

    Test your knowledge of radiography terminology and measurements related to body habitus and contrast in radiography procedures. This quiz covers the terms and measurements used for different body habitus types and contrast concentrations.

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