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Ridryder 911

Pet Peeve sayings

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"O[sub:3ad535ff16]2[/sub:3ad535ff16] NRB @ 15 lpm" :roll:

First, chances are it isn't even an NRB. More than likely it is a P (partial) RB.

Second, why 15 lpm? What is your medical and scientific rationale?

Third, without telling us what FIO[sub:3ad535ff16]2[/sub:3ad535ff16] are you providing the patient, the litre flow itself is hardly relevant.

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"O[sub:084942a5d5]2[/sub:084942a5d5] NRB @ 15 lpm" :roll:

First, chances are it isn't even an NRB. More than likely it is a P (partial) RB.

Second, why 15 lpm? What is your medical and scientific rationale?

Third, without telling us what FIO[sub:084942a5d5]2[/sub:084942a5d5] are you providing the patient, the litre flow itself is hardly relevant.

Definitely off topic, Dust are you talking about the venturi mask? I've seen them before in Basic class, however we had the opportunity to play with a venturi mask in class last night. Really kewl, it would provide the exact % of O2 a pt needed. 8)

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Nah... I'm talking about Non-Rebreathers (three one-way valves) and Partial Rebreathers (none, one or two one-way valves). Most services have only PRB's, yet they continue to erroneously call them NRB's.

And most medics keep reciting "15 lpm" like a mantra engraved in stone, even though it is neither a requirement nor an absolute value. The sad ones simply weren't taught the proper way to apply an NRB or PRB. The pathetic ones never improve their education enough to realise it.

Venturi masks (Venti-Masks) are awesome devices that provide a much more stable and quantifiable source of oxygen to the patient than other devices, as well as better information for the hospital who will eventually have to judge the effectiveness of your therapy. Unfortunately, they are really only appropriate for patients receiving an FIO[sub:cabf94089b]2[/sub:cabf94089b] of less than 0.4, and those patients would usually be much more comfortable with a nasal cannula. Consequently, there isn't a lot of pre-hospital application for the Venti-Mask in most urban and suburban settings.

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Nah... I'm talking about Non-Rebreathers (three one-way valves) and Partial Rebreathers (none, one or two one-way valves). Most services have only PRB's, yet they continue to erroneously call them NRB's.

a few places managed to kill people with true NRBs - hence the reason you'll usually only find 2 one way valves on most moasks One in the resevoir and one of the side ports - the other side port being open or one of those nifty floating ball resp rate counting doodahs

And most medics keep reciting "15 lpm" like a mantra engraved in stone, even though it is neither a requirement nor an absolute value. The sad ones simply weren't taught the proper way to apply an NRB or PRB. The pathetic ones never improve their education enough to realise it.

it's down to poor standard educators and equally poor test design where the answer is "15 lpm" rather than "sufficient to meet the patients minute volume and keep the resevoir bag from completely collapsing on inspiration"

Venturi masks (Venti-Masks) are awesome devices that provide a much more stable and quantifiable source of oxygen to the patient than other devices, as well as better information for the hospital who will eventually have to judge the effectiveness of your therapy. Unfortunately, they are really only appropriate for patients receiving an FIO[sub:4c71830671]2[/sub:4c71830671] of less than 0.4, and those patients would usually be much more comfortable with a nasal cannula. Consequently, there isn't a lot of pre-hospital application for the Venti-Mask in most urban and suburban settings.

venturi masks are very effective up to fiO2 of 0.6 given a good mask fit / design and suitable venturi adaptors ( we have .24, .28, .35, .5 and .6 in the ED)

there's also the issues with going over 4 lpm / rough 28 % with nasal cannula and the fact you can't up the flow rate and maintain the fixed O2 concetration

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