Contrast and Fluoro Worksheet Flashcards
By mouth
Oral
Administered rectally
Rectal
By needle
Parenteral
Against the flow
Retrograde
Anatomic areas filled with negative contrast media will appear _____ on radiographs
Dark
List examples of positive contrast media:
-Barium sulfate-Iodinated contrast media
What is the atomic number of barium?
56
What is the chemical of barium sulfate?
BaSO4
Describe a colloidal suspension:
Particles are suspended in the water and will settle out when allowed to sit for too long
What type of barium is best suited to coat the mucosal lining of the esophagus?
Thich barium
What are barium pills used for?
-To evaluate for strictures in the esophagus
List contraindications for the administration of barium:
Perforation or Obstruction
A patient must undergo a SBS today and is scheduled for abdominal surgery tomorrow. What type of oral contrast should be used?
Oral iodinated contrast media (water soluble)Ex: Gastrogafin or Gastroview
What is the most common complication of barium administration?
Constipation
List other complications of barium administration:
-Perforation-Vaginal rupture-Fluid overload-Aspiration-Allergic reactions
What is the atomic number of iodine?
53
A double contrast study involves the administration of what types of contrast media?
-Radiopaque (pos)-Radiolucent (neg)
Measure of the total # of particles per kilo of water
Osmolality
-Resistance of fluid movement-Measured by force-How thick or thin something is
Viscosity
-Dissociate in a solution-Greater chance of a retain
Ionic Contrast
-Does not dissociate in a solution-Less chance of adverse reaction
Non ionic contrast
What type of contrast media contains the same number of particles as blood plasma?
IsomolalEx: Visipaque
List some common side effects of injectable iodinated contrast media:
-Hot flash-Metalic taste in mouth
Fluid is injected into tissue
Extravasation
What type of reaction to iodinated contrast media is vomiting?
Mild
What type of reaction to iodinated contrast media is Arrythmia?
Severe
What type of reaction to iodinated contrast media is Tachycardia?
Moderate
What type of reaction to iodinated contrast media is Urticaria?
Moderate
What type of reaction to iodinated contrast media is Nausea?
Mild
What type of reaction to iodinated contrast media is Anaphylactic Shock?
Severe
What type of reaction to iodinated contrast media is Dyspnea?
Moderate
What type of reaction to iodinated contrast media is Dysphagia?
Moderate
What type of reaction to iodinated contrast media is Laryngeal swelling?
Severe
What type of reaction to iodinated contrast media is Anxiety?
Mild
What is the kVp range used for a single contrast barium study?
110- 120 kVp
What is the kVp range used for a Double contrast barium study?
90 kVp
What is the kVp range used for an injectable iodinated contrast study?
80-85 kVp
What is the normal BUN (blood urea nitrogen)?
-8-24 men-6-21 women
What are normal creatine levels?
6- 1.2 mg/dl* Many facilities will not inject if above 1.5
What is the normal GFR for normal kidney function?
90-130
What is the normal GFR for mild kidney damage?
60-90
What is the normal GFR for moderate kidney damage?
30-60
What is the normal GFR for severe kidney damage?
15-30
What is the normal GFR for kidney failure?
0-15
Describe the valsalva maneuver that can be used during an esophagram?
-Deep breath-Bear down like having a bowel movement
What kind of patient prep is needed for a UGI?
-NPO 9 hours prior-Stomach should be empty
Which view in the UGI series is best for evaluation of a hiatal hernia?
PA (compression)
A SBS is considered complete when the contrast is seen in the:
Cecum
When the balloon of the retention tip used for a barium enema is inflated with one squeeze, how much air will fill the balloon?
90ml
Most barium enema bags have a capacity of _____ ml and the tubing is approximately ___ feet long.
-3,000ml (3 quarts)-6’
What temperature should the barium be for a barium enema be?
85-90 degrees
What can happen if barium is too hot?
Burns
What can happen if barium is too cold?
Cramping
Describe the sims position?
-Modified LAO-Left Lat, roll forward 35-40 degrees, bring right leg up
What should the height of the barium bag be for a barium enema?
19-24” above anus
Why is it important to void the bladder prior to an intravenous urogram (IVU)?
-Rupture avoidance-Dilutes contrast
When using compression for an IVU, at what level is the compression placed on the patient?
Center at ASIS
A nephoromogram is done to visualize:
Renal parenchyma
When performing the RPO view for an IVU, which kidney is best seen?
Right (down side)