Pimp Thread? - page 4

Would the SRNAs on here like it if I started a pimp thread? The questions would be clinically related pearls or questions related to boards.... Read More

  1. 1
    What are the characteristics of modern day vaporizers?
    How does the Desflurane vaporizer differ, and why is it necessary?
    Name 4 methods for performing peripheral nerve blocks i.e. nerve stimulation.
    What are the sites of quickest to slowest absorption of local anesthetics, and why is this important in PNBs?
    What are the different preservative formulations of propofol, and which one(s) of those might be inappropriate for long-term sedation of ARDS patients?

    In what state(s) are CRNAs required to be supervised by anesthesiologists?
    traumaRUs likes this.

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  2. 0
    Quote from wtbcrna
    What are the characteristics of modern day vaporizers?
    How does the Desflurane vaporizer differ, and why is it necessary?
    Name 4 methods for performing peripheral nerve blocks i.e. nerve stimulation.
    What are the sites of quickest to slowest absorption of local anesthetics, and why is this important in PNBs?
    What are the different preservative formulations of propofol, and which one(s) of those might be inappropriate for long-term sedation of ARDS patients?

    In what state(s) are CRNAs required to be supervised by anesthesiologists?
    modern day vaporizers can maintain volatile agent concentrations over a range of temperatures and fresh gas flows

    the des vaporizer differs in that it keeps a higher temperature and pressure since des can boil away at STP; also des is ~5x less potent than iso and sevo and thus very high fresh gas flows would be needed to dilute the agent to safe levels

    4 methods - landmarks/ paraesthesia, field blocks, nerve stimulation and U/S guided

    IV, tracheal, intercostal, cervical, epidural, brachial plexus, sciatic, and SQ

    propofol can have EDTA and Na metabisulfite, the bisulfite preservative can cause problems in ICU/ARDS pts. on a side note, in the institution I train, we have seen benzyl alcohol as a preservative and had alerts against using this formulation in the peds pts.

    finally, NO state (unless you count a state of delusion) requires CRNA supervision for practice
  3. 0
    Quote from WolfpackRed
    modern day vaporizers can maintain volatile agent concentrations over a range of temperatures and fresh gas flows

    the des vaporizer differs in that it keeps a higher temperature and pressure since des can boil away at STP; also des is ~5x less potent than iso and sevo and thus very high fresh gas flows would be needed to dilute the agent to safe levels

    4 methods - landmarks/ paraesthesia, field blocks, nerve stimulation and U/S guided

    IV, tracheal, intercostal, cervical, epidural, brachial plexus, sciatic, and SQ

    propofol can have EDTA and Na metabisulfite, the bisulfite preservative can cause problems in ICU/ARDS pts. on a side note, in the institution I train, we have seen benzyl alcohol as a preservative and had alerts against using this formulation in the peds pts.

    finally, NO state (unless you count a state of delusion) requires CRNA supervision for practice
    What are the terms we use to describe modern day vaporizers i.e. temperature compensated.

    4 Methods: Think axillary...Field block is not usually considered acceptable for a PNB (at least where I trained).

    BIICEPS (Blood, Intercoast, Interthecal, Caudal, Epidural, brachial PLexus, SQ) is the easiest the way I found to remember it.

    Propofol....correct. What is the concern with benzyl alcohol, and what is the condition that is caused from administration of benzyl alcohol? What age group is this a concern with?

    ..Yep.
  4. 1
    Benzyl alcohol, a component of this product, has been associated with serious adverse events
    and death, particularly in pediatric patients. The "gasping syndrome," (characterized by central
    nervous system depression, metabolic acidosis, gasping respirations, and high levels of benzyl
    alcohol and its metabolites found in the blood and urine) has been associated with benzyl alcohol
    dosages >99 mg/kg/day in neonates and low-birth weight neonates. Additional symptoms may
    include gradual neurological deterioration, seizures, intracranial hemorrhage, hematologic
    abnormalities, skin breakdown, hepatic and renal failure, hypotension, bradycardia, and
    cardiovascular collapse.
    Although normal therapeutic doses of this product deliver amounts of benzyl alcohol that are
    substantially lower than those reported in association with the "gasping syndrome," the minimum
    amount of benzyl alcohol at which toxicity may occur is not known. Premature and low-birth
    weight infants, as well as patients receiving high dosages, may be more likely to develop toxicity.
    Practitioners administering this and other medications containing benzyl alcohol should consider
    the combined daily metabolic load of benzyl alcohol from all sources.

    from the hospira package insert for its formulation of propofol
    wtbcrna likes this.


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