[ RadSafe ] Query re human pulmonary processes or mechanics.

[roseb at gdls.com]

Muary:

>Does anyone know of or have you seen empirical data re the expulsion of 
CO2 in human breathing?

PubMed searches that might be of interest to you:

https://www.ncbi.nlm.nih.gov/pubmed/?term=%22pursed+lips%22+AND+%22co2%22
(Also check out the Similar articles)

https://www.ncbi.nlm.nih.gov/pubmed/?term=%22pursed+lips%22+AND+%22carbon+dioxide%22

>The pursed lips have been deemed significant to ridding the body of CO2.

This is inconsistent with NLM guidance for hyperventilation (
https://medlineplus.gov/ency/article/003071.htm) which states:

"If you start hyperventilating, the goal is to raise the carbon dioxide 
level in your blood... Ways to do this include:
.
.
.

2.To increase your carbon dioxide, you need to take in less oxygen. To 
accomplish this, you can breathe through pursed lips (as if you are 
blowing out a candle), or you can cover your mouth and one nostril, and 
breathe through the other nostril...."

Based on a cursory search of the articles and the NLM web source, the 
research seems to be conflicting with respect to pursed lip breathing 
effectiveness for ridding the body of CO2.

Henry

Boyd H. Rose, CM, CIH, CHMM, EI
Sr. Safety and Environmental Engineering Specialist
Corporate Radiation Safety Officer
General Dynamics Land Systems
38500 Mound Road
Mail Zone 436-10-80
Sterling Heights , MI 48310-3200
Tel: 586 825 4503
Fax: 586-939-4140
E-mail: roseb at gdls.com





From:   Maury <maurysis at peoplepc.com>
To:     "The International Radiation Protection (Health Physics) Mailing 
List" <radsafe at agni.phys.iit.edu>, Mailing List for Risk Professionals 
<riskanal at emaillist02.pnl.gov>, 
Date:   10/28/2016 04:26 PM
Subject:        [ RadSafe ] Query re human pulmonary processes or 
mechanics.
Sent by:        radsafe-bounces at agni.phys.iit.edu



Does anyone know of or have you seen empirical data re the expulsion of 
CO2 in human breathing?  I've long heard that one with emphysema should 
inhale thru the nose and exhale by mouth with pursed lips. The pursed 
lips have been deemed significant to ridding the body of CO2.  Can 
anyone shed empirical light? Thanks.
Maury Siskel
maurysis at peoplepc.com
_______________________________________________
You are currently subscribed to the RadSafe mailing list

Before posting a message to RadSafe be sure to have read and understood 
the RadSafe rules. These can be found at: 
https://urldefense.proofpoint.com/v2/url?u=http-3A__health.phys.iit.edu_radsaferules.html&d=DQICAg&c=NGt3eTFKeC-HdGM3w9bJ1g&r=7U1lJh25kCEjCAfVFKTyNg&m=Stdr_6FpeYa93A7IDMJXKqDjE8rbJI05-MWIFIESyfM&s=sxDT8mv8VAIDa21r5RQmp5TLFdi4_b5hUN_q9cLT9l8&e= 


For information on how to subscribe or unsubscribe and other settings 
visit: 
https://urldefense.proofpoint.com/v2/url?u=http-3A__health.phys.iit.edu&d=DQICAg&c=NGt3eTFKeC-HdGM3w9bJ1g&r=7U1lJh25kCEjCAfVFKTyNg&m=Stdr_6FpeYa93A7IDMJXKqDjE8rbJI05-MWIFIESyfM&s=nDhZY4JhwUn8vjjrMh9RQ-BHHaTI2v9lswzB-4nhPO4&e= 


----------------------------------------------------------------------
This is an e-mail from General Dynamics Land Systems. It is for the intended recipient only and may contain confidential and privileged information.  No one else may read, print, store, copy, forward or act in reliance on it or its attachments.  If you are not the intended recipient, please return this message to the sender and delete the message and any attachments from your computer. Your cooperation is appreciated.
&&