Capnography
Capnography
Capnography (pronounced: /kapˈnɒɡrəfi/) is a non-invasive monitoring technique used in medicine to measure the levels of carbon dioxide (CO2) in exhaled breath.
Etymology
The term "Capnography" is derived from the Greek word "kapnos" which means smoke, and "graphy" which means to write. It was first used in the medical field in the 1970s.
Definition
Capnography provides a graphical representation, known as a capnogram, of the CO2 concentration against time or expired volume. This allows healthcare professionals to assess the patient's ventilatory status and the effectiveness of resuscitation efforts.
Usage
Capnography is commonly used in Intensive Care Units (ICUs), Operating Rooms (ORs), and Emergency Departments (EDs). It is also used during Sedation and Resuscitation procedures, and in the management of patients with Chronic Obstructive Pulmonary Disease (COPD) or Asthma.
Related Terms
- Capnometer: A device used to measure the concentration of CO2 in exhaled air.
- End-Tidal CO2 (ETCO2): The maximum level of CO2 at the end of expiration.
- Hypocapnia: A state of reduced carbon dioxide in the blood.
- Hypercapnia: A state of increased carbon dioxide in the blood.
See Also
External links
- Medical encyclopedia article on Capnography
- Wikipedia's article - Capnography
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