Celebrating Nurses’ Monumental Impact
There is a myriad of ways to participate in National Nurses Week, which is celebrated May 6-12, from honoring your staff RNs with a gift or event to taking steps to let...
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By: OSD Staff
Published: 2/10/2014
CATARACTS + CAPNOGRAPHY
Avoid Inaccurate CO2 Capnography Readings
Cataract extractions usually involve covering the patient with a full-length drape that exposes only the operative eye. These cases are often performed under IV sedation, which obligates us anesthesia providers to closely monitor respiratory status. Nowadays, we often use capnography and measure the end-tidal CO2 via a specialized nasal cannula. But the patient's exhaled CO2 tends to accumulate under the surgical drape. This accumulation can result in "re-breathing" and inaccurate CO2 readings, especially inhaled CO2 readings, on the capnograph. This inhaled level of CO2 is often above the limit set on most gas monitors and can cause alarms to sound repeatedly. I came up with an easy way to eliminate accumulated CO2 under the surgical drape:
Charles A. DeFrancesco, MD
Delmont Surgery Center
Greensburg, Pa.
[email protected]
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