Intravenous Iodinated Contrast - PowerPoint PPT Presentation

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Intravenous Iodinated Contrast

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Movement of a solvent across a semipermiable membrane from a ... Acute Renal Failure. Vasomotor Effect. Technologist can assist. Nausea / Vomiting. Lightheaded ... – PowerPoint PPT presentation

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Title: Intravenous Iodinated Contrast


1
Chapter 17
  • Intravenous Iodinated Contrast

2
Terms to know
  • ____________________
  • Movement of a solvent across a semipermiable
    membrane from a lower region to a higher region
  • __________________
  • The number of dissolved ions in a solution. The
    concentration of a solution.

3
More Terms
  • ___________________
  • The force that a dissolved substance exerts on a
    semipermeable membrane.
  • ___________________
  • The capability of being dissolved
  • __________________
  • To separate into ions to dissociate atoms or
    molecules into electrically charged atoms

4
More Terms
  • ______________
  • No change in cell volume.
  • ______________
  • Increase in osmotic pressure.
  • _______________
  • Decrease in osmotic pressure
  • _______________
  • The ability of a fluid to flow easily

5
Iodinated Contrast
  • ____________
  • 2 types ________________

6
Ionic ContrastStructure
  • Benzoic acid ring model with
  • ____________
  • Negatively charged _________
  • Stabilizing and ____________ the contrast
  • Positively charged _________
  • ______ increases ________of the contrast

7
Ionic Contrast
  • Breaks apart into 2 particles
  • _______
  • _______
  • ______________
  • 3 iodine particles
  • 2 osmotic particles

8
Ionic Cont
  • Increase ____________
  • Increase ____________
  • _____________
  • Higher chance of a ____________

9
Non-Ionic
  • Same basic structure
  • ________ side chains with ____________ elements.

10
Non-Ionic Contrast
  • ______________break apart.
  • Decreased ____________
  • _________ chance of a ________
  • _____________

11
Non Ionic Cont
  • Increased ________________
  • Might need __________to compensate for decreased
    _______________

12
Prior to injecting
  • ____________________________________
  • Thorough history needs to be obtained
  • Any allergies
  • ________________
  • _______________
  • Kidney problems (Stones dont count)
  • Asthma, hay fever
  • ____________________
  • ____________
  • On _______________________

13
Prior to Injecting Cont
  • BUN and Creatinine levels
  • Creatinine - __________________
  • BUN ___________________

14
If there are contraindications
  • Notify radiologist.
  • May still be possible with prep.

15
Drawing up the contrast
  • ________________????
  • Warm contrast to ________________
  • Use only _____________and syringe
  • Draw up protocol developed amount
  • If pt already has an IV line
  • __________________

16
Common feelings
  • During injection
  • _______________(due to osmotic events)
  • __________
  • ___________
  • Watch for reactions

17
Reactions
  • Generally happen within first ________.
  • Stay with the patient at a _____________
  • _______ with the patient and watch for any signs.

18
Reaction Categories
  • Vasomotor Effect
  • Anaphylactic Reaction
  • Vasovagal Reaction
  • Acute Renal Failure

19
Vasomotor Effect_________
  • Technologist can assist
  • __________
  • Nausea / Vomiting
  • __________________
  • Lightheaded
  • _______________
  • ______________
  • Symptoms pass shortly

20
Anaphylactic________________
  • Technologist calls for help
  • ______________
  • Tachycardia
  • _________________
  • _________________
  • Angioedema
  • Hypotension
  • __________________

21
Vasovagal ___________
  • Technologist calls for help __________!!!!!!!!
  • Hypotension
  • ________________
  • _________________
  • Loss of consciousness
  • _______________
  • Laryngeal edema
  • __________________
  • Difficulty Breathing
  • ________________

22
Acute Renal FailureSevere
  • May not be obvious for up to ________post
    injection
  • Diminished urine output
  • __________

23
Prepare for a reaction
  • Make sure informed consent is signed
  • Approx __________________________
  • Know reaction _______ in department
  • Know where the __________is and have it
    accessible.
  • _____________the patient alone
  • If need be ____________ !!!!!!!!!!!!!!!!!!!!

24
Post injection
  • Monitor pt for reaction
  • Continue with exam
  • Normal kidney will excrete _______ of contrast
    within __________

25
What else to watch for
  • Kidneys will show once contrast if filtered
    through
  • A _________ could block contrast progression
  • Contrast is _______ than blood can push
    ___________and cause pain.
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