Capnometry (Medical Definition) | Quick Explainer Video

What is Capnometry? This video covers the medical definition and provides a brief overview of this topic.
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➡️ Capnometry Definition
Capnometry serves as a noninvasive way to measure the partial pressure of carbon dioxide (CO2) in an exhaled breath. Capnometry is the measurement of carbon dioxide in a respiratory gas while capnography is the graphic display of this measurement. For the sake of this video, we will be using the two terms interchangeably.

➡️ Capnometry Reading
During a capnometry reading, a patient's exhaled breath is measured and the partial pressure of carbon dioxide is plotted in wavelength form on an x and y axis grid. The display shows wavelengths and number measurements that tell us how much CO2 is being exhaled. A normal capnography reading falls between 30-40 torr.

➡️ When to Use Capnometry?
Capnometry can be used with any patient, however, its primary clinical use is to monitor general anesthesia or moderate sedation. It is also commonly used after intubation in order to confirm that the endotracheal tube was correctly inserted into the trachea instead of the esophagus. Additionally, capnometry is helpful in the assessment and monitoring of patients who are receiving mechanical ventilation.

➡️ Parameters to Monitor
As a Respiratory Therapist, the two primary parameters of a patient to monitor is their:
1. Oxygenation
2. Ventilation

Pulse oximetry is a reliable and effective way to quickly assess a patient's oxygenation status. For ventilation, we can use capnometry to instantaneously assess how well CO2 is being removed from the body. It provides information about perfusion as well by displaying how effectively carbon dioxide is being moved throughout the circulatory system. It also provides information about a patient's metabolism by displaying how effectively carbon dioxide is being produced by cellular metabolism.

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🚑MEDICAL DISCLAIMER
This content is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please consult with a physician with any questions that you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you watch in this video. We strive for 100% accuracy, but errors may occur, and medications, protocols, and treatment methods may change over time.

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⏰TIMESTAMPS
0:00 - Intro
0:20 - Capnometry Definition
0:43 - Capnometry Reading
1:06 - When to Use Capnometry?
1:32 - Parameters to Monitor

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▪ Music licensed from Audiojungle.net/
▪ Graphics: Canva.com, Freevector.com, Vecteezy.com, and Pngtree.com

#RespiratoryTherapy #RespiratoryTherapist #Capnometry