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Q: What are normal breath volumes? ( No Answer,   0 Comments )
Question  
Subject: What are normal breath volumes?
Category: Health
Asked by: leonardjk-ga
List Price: $25.00
Posted: 16 Jan 2003 08:33 PST
Expires: 23 Jan 2003 14:55 PST
Question ID: 144235
What is the range of normal breath volume, waking-at-rest and
sleeping, for adults and children. Data broken down into multiple age
categories (especially for children) appreciated.

Request for Question Clarification by bobbie7-ga on 16 Jan 2003 10:55 PST
Hello Leonardjk,

I have located the breath volume for:

Adult man - resting, light activity and heavy activity
Adult woman - resting, light activity and heavy activity
14-16 yr male - resting
14-16 yr female- resting
Infant 1 year - resting
Newborn – resting

I also located a chart of “Daily Inhalation Rates Estimated From Daily
Activities” (only resting and light activity - m3/hour) for:
Adult man
Adult Woman
Child (10 yr)
Infant (1 yr)
Newborn

Would this information suffice as an answer?’

Thanks

--Bobbie7-ga

Clarification of Question by leonardjk-ga on 16 Jan 2003 14:26 PST
Bobbie7,

I would really prefer the volumes for wake AND sleep. I would also
like volumes for children down to at least, say, 5 or 6 years old. The
gap between 1yr and 14yr is too large. The daily volumes could work if
there were breathing rates associated so one could determine the
volume per breath.

For clarification, my goal is to simulate breathing with an artificial
lung on a benchtop, and to be able to accurately portray
representative volumes for a variety of patient populations, both wake
and sleep. If compromise is necessary, having a variety of age ranges
at rest is better than having just Adult vs Child with both wake and
sleep.


Thanks,

Leonard

Clarification of Question by leonardjk-ga on 23 Jan 2003 14:55 PST
Thanks to any and all who may have worked on this question. While I
have not found the exact information I was looking for, I did find the
following for any who are intereted.

After age 1, the normal resting tidal volume is 10-15 ml/kg.

Also, although I have not tracked down a copy, the following book is
cited as the authority on formulas for predicting lung function:

Cotes, J.E.  Lung Function, 3rd Edition 1993, publisher: Blackwell,
U.K.
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