Barium or Water-Soluble
What is the atomic number of barium?
What is 56?
Radiopaque contrast medium: is it positive or negative contrast agent?
What is a positive contrast agent?
A patient comes to radiology for an esophagogram. You begin to mix the barium. You will use thin or thick barium and the weight to volume of barium sulfate will be ___%.
What is thin barium @60%?
What is the atomic number of iodine?
What is 53?
You are told to call the ED to make sure that the patient has the correct IV for power injection of contrast media. You want to make sure the patient has a ___G needle in the __________ space.
What is 20 G in the antecubital space?
Why do we use cold water mixed with barium for a gastrointestinal system procedure?
What is cold water will reduce spasms and cramping?
Will a (radiopaque) positive contrast medium increase or decrease attenuation of the x-ray beam?
What is increase attenuation of the x-ray beam?
A patient comes to radiology for an UGI. The physician wants to rule out a diverticulum in the stomach. Will the radiologist/RPA ask for single or a double contrast media?
What is double contrast media?
The radiologist/RPA tells you to draw up 50 ML of an ionic iodine contrast media for a PEG tube injection. Which of the following solutions are considered appropriate for this request? Renografin or Isovue?
What is Renografin?
You are told to call the ED to check labs before injection of a nonionic iodinated contrast media. You check the following labs: _____________ and ____________.
What are BUN and creatinine?
When barium is contraindicated what is the name of the solution radiologists and RPAs refer to use next for studies of the gastrointestinal system?
What is a water-soluble solution such as Gastrographin or MD-Gastroview?
Which has a lower atomic number: a radiolucent (negative) contrast media or a radiopaque (positive) contrast media?
What is a radiolucent (negative) contrast medium?
A patient comes to radiology for an UGI. The physician wants to rule out ulcers in the stomach. Will the radiologist/RPA ask for single or a double contrast media?
What is double contrast media?
Which of the following contrast media tends to trigger fewer allergies: ionic iodine or nonionic iodinated contrast media?
What is nonionic iodinated contrast media?
A doctor's office calls to schedule an exam that requires the patient to have a nonionic iodinated contrast media. You are told the patient is allergic to "x-ray dye". You talk to the radiologist/RPA and are told the patient needs a premedication which consists of __________ and ______________.
What are steroids and antihistamines?
A patient comes to radiology from the ED with a possible perforated bowel or perforated ulcer. What type of contrast media will the radiologist/RPA suggest for this type of patient?
What is a water-soluble solution such as Gastrographin or MD-Gastroview?
Is an ionic iodine contrast media a higher or lower osmolality contrast media?
What is higher osmolality contrast media?
You are told to ask all patients if they are taking a non-insulin-dependent diabetes medication before injection of a nonionic iodinated contrast media. What is the name of the drug?
What is Metformin (Glucophage) which should be discontinued 48 hours before and 48 hours after using nonionic iodinated contrast agents?
Barium is not soluble in water. When barium is mixed with water the it becomes a ____________ suspension.
What is colloidal suspension?