RAD-285 PATIENT CONSENT & CONTRAST MEDIA

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Anonymous
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295161
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RAD-285 PATIENT CONSENT & CONTRAST MEDIA
Updated:
2015-02-07 12:56:19
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  1. simple consent
    Obtaining the patient permission to perform the procedure.
  2. express consent
    implied consent
    • when the patient does not stop the procedure from taking place
    • occurs in ER situations when it is not possible to obtain consent from the patient
  3. inadequate consent
    • The patient has not been informed
    • adequately to make an informed decision.The
    • patient can bring charges of negligence (an unintentional tort), particularly
    • if the patient sustains injury.
  4. who may consent
    A conscious and competent patient.

    • If a patient is unable to give consent, a
    • person legally authorized must consent for the patient (power of attorney).

    • A spouse cannot consent to his/her
    • wife’s/husband’s operation or procedure in a non-emergency situation.
  5. charting
    Charting refers to any records you are expected to add to a document.
  6. negative contrasts agents have a ____ atomic number
    what are radiolucent contrast agents
    • low
    • air c02 02 nitrous oxide
  7. what type of positive contrast agents
    iodine bromine barium
  8. positive CA's increase organ density because ___
    they absorb more radiation which causes a decrease in film density
  9. Contrast agents with higher osmolality are ____ likely to cause adverse reactions of all kinds
    more
  10. Osmolality is determine by
    the number of osmotically active particles formed when it is dissolved in solution
  11. which agents dissolve into ions when dissolved in water
    ionic agents
  12. which agents do not dissociate into separate particles when dissolved in water
    nonionic
  13. Non ionic contrast has a ___ ratio
    low osmalility contrast has a ____ ratio
    high osmolality contrast has
    • 3:1
    • 6:2
    • 3:2
  14. in myelography you should have ____ contrast
    how about in angio
    • immiscible contrast ( so youcan see it on a radigraph)
    • completely miscible
  15. list some adverse reactions to ca's
    • renal toxicity
    • local tissue damage
    • delayed allergic reactions
  16. what is a pretreatment to adverse reactions cause by iodine
    corticosteroid and diphenhydramine

    adequate hydration

    discontinuing nephrotoxic medications
  17. what contrast is used in MR
    gadolinium

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