Capnography: Difference between revisions

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'''Lead Editors''' - Your name will be added here if you are a lead editor on this page.  [[Physiopedia:Editors|Read more.]]  
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== Search Strategy  ==


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== Introduction  ==


== Definition/Description  ==
Capnography is a non-invasive measurement during inspiration and expiration of the partial pressure of CO2 from the airway. It provides physiologic information on ventilation, perfusion, and metabolism, which is important for airway management.


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End-tidal CO2 or EtCO2 is the maximum partial pressure of CO2 obtained at the end of exhalation. While a capnometer reports numeric values as a result, a capnograph adds a graphic display of a waveform, which represents expired CO2 as a function to either volume or time. And the created waveform is referred to as capnogram.


== Clinically Relevant Anatomy  ==
== Indications for Use ==


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This technique allows insight into the alveolar ventilation, perfusion and metabolism of breathing. On top of the use of validity for the measured level of EtCO2, it gives us two main advantages. Firstly, The appropriate tracing/mark on a pulse oximeter guarantees us that the recorded oxygen saturation provided is valid. Secondly, the evaluation of the provided waveform gives us key information about latent, underlying physiologic conditions and the ongoing processes of diseases.<ref>Joshua Nagler,MD, Baruch Krauss, MD. Capnography: A Valuable Tool fot Airway Managemant. Emerg Med Clin N Am 26 (2008) 881-897 (A1)</ref><br>


== Epidemiology /Etiology  ==
Capnometry is a non-invasive monitoring technique. It allows quick and reliable insight into aspects like: ventilation, circulation, and metabolism. In diagnosis, monitoring, and prediction of outcome capnometry is an important tool, especially in the prehospital setting.<ref>Dejan Kupnik, Pavel Skok. Capnometry in the prehospital setting: are we using its potential? Emerg Med J 2007;24:614–617. doi: 10.1136/emj.2006.044081 (A1)</ref>


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== The Future of Capnography==


== Characteristics/Clinical Presentation  ==
Capnography and the measurement of PETCO2 will be augmented in the future by relatively new measurement methodology. Including the study of oxygen kinetics as a future direction. <ref>Cynthia T Anderson and Peter H Breen. Carbon dioxide kinetics and capnography during critical care. Crit Care2000, 4:207–215 (A1)</ref> <br>


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== Outcome Measures  ==


== Differential Diagnosis  ==
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== Diagnostic Procedures  ==
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== Outcome Measures ==
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== Examination  ==
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== Medical Management <br>  ==
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== Physical Therapy Management <br>  ==
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== Key Research  ==
== Key Research  ==
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== References  ==
== References  ==
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Capnography is a non-invasive measurement during inspiration and expiration of the partial pressure of CO2 from the airway. It provides physiologic information on ventilation, perfusion, and metabolism, which is important for airway management.
 
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End-tidal CO2 or EtCO2 is the maximum partial pressure of CO2 obtained at the end of exhalation. While a capnometer reports numeric values as a result, a capnograph adds a graphic display of a waveform, which represents expired CO2 as a function to either volume or time. And the created waveform is referred to as capnogram.
 
This technique allows insight into the alveolar ventilation, perfusion and metabolism of breathing. On top of the use of validity for the measured level of EtCO2, it gives us two main advantages. Firstly, The appropriate tracing/mark on a pulse oximeter guarantees us that the recorded oxygen saturation provided is valid. Secondly, the evaluation of the provided waveform gives us key information about latent, underlying physiologic conditions and the ongoing processes of diseases.<ref>Joshua Nagler,MD, Baruch Krauss, MD. Capnography: A Valuable Tool fot Airway Managemant. Emerg Med Clin N Am 26 (2008) 881-897 (A1)</ref><br>
 
Capnometry is a non-invasive monitoring technique. It allows quick and reliable insight into aspects like: ventilation, circulation, and metabolism. In diagnosis, monitoring, and prediction of outcome capnometry is an important tool, especially in the prehospital setting.<ref>Dejan Kupnik, Pavel Skok. Capnometry in the prehospital setting: are we using its potential? Emerg Med J 2007;24:614–617. doi: 10.1136/emj.2006.044081 (A1)</ref>
 
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Capnography and the measurement of PETCO2 will be augmented in the future by relatively new measurement methodology. Including the study of oxygen kinetics as a future direction. <ref>Cynthia T Anderson and Peter H Breen. Carbon dioxide kinetics and capnography during critical care. Crit Care2000, 4:207–215 (A1)</ref> <br>
 
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Revision as of 08:22, 1 June 2011

Welcome to Vrije Universiteit Brussel's Evidence-based Practice project. This space was created by and for the students in the Rehabilitation Sciences and Physiotherapy program of the Vrije Universiteit Brussel, Brussels, Belgium. Please do not edit unless you are involved in this project, but please come back in the near future to check out new information!!

Original Editors

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Introduction[edit | edit source]

Capnography is a non-invasive measurement during inspiration and expiration of the partial pressure of CO2 from the airway. It provides physiologic information on ventilation, perfusion, and metabolism, which is important for airway management.

End-tidal CO2 or EtCO2 is the maximum partial pressure of CO2 obtained at the end of exhalation. While a capnometer reports numeric values as a result, a capnograph adds a graphic display of a waveform, which represents expired CO2 as a function to either volume or time. And the created waveform is referred to as capnogram.

Indications for Use[edit | edit source]

This technique allows insight into the alveolar ventilation, perfusion and metabolism of breathing. On top of the use of validity for the measured level of EtCO2, it gives us two main advantages. Firstly, The appropriate tracing/mark on a pulse oximeter guarantees us that the recorded oxygen saturation provided is valid. Secondly, the evaluation of the provided waveform gives us key information about latent, underlying physiologic conditions and the ongoing processes of diseases.[1]

Capnometry is a non-invasive monitoring technique. It allows quick and reliable insight into aspects like: ventilation, circulation, and metabolism. In diagnosis, monitoring, and prediction of outcome capnometry is an important tool, especially in the prehospital setting.[2]

The Future of Capnography[edit | edit source]

Capnography and the measurement of PETCO2 will be augmented in the future by relatively new measurement methodology. Including the study of oxygen kinetics as a future direction. [3]

Outcome Measures[edit | edit source]

add links to outcome measures here (also see Outcome Measures Database)


Key Research[edit | edit source]

add links and reviews of high quality evidence here (case studies should be added on new pages using the case study template)

Resources
[edit | edit source]

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Clinical Bottom Line[edit | edit source]

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Recent Related Research (from Pubmed)[edit | edit source]

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Failed to load RSS feed from http://eutils.ncbi.nlm.nih.gov/entrez/eutils/erss.cgi?rss_guid=10MSL6XygFtJE0U1cFaMymrEzlg4fplku3nzxLcqj2lwjTsEg4|charset=UTF-8|short|max=10: Error parsing XML for RSS

References[edit | edit source]

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  1. ↑ Joshua Nagler,MD, Baruch Krauss, MD. Capnography: A Valuable Tool fot Airway Managemant. Emerg Med Clin N Am 26 (2008) 881-897 (A1)
  2. ↑ Dejan Kupnik, Pavel Skok. Capnometry in the prehospital setting: are we using its potential? Emerg Med J 2007;24:614–617. doi: 10.1136/emj.2006.044081 (A1)
  3. ↑ Cynthia T Anderson and Peter H Breen. Carbon dioxide kinetics and capnography during critical care. Crit Care2000, 4:207–215 (A1)
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