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Fig. 1 | BMC Pulmonary Medicine

Fig. 1

From: End-tidal capnographic monitoring to detect apnea episodes during flexible bronchoscopy under sedation

Fig. 1

Devices used in this study for end-tidal capnography. a The Smart CapnoLine Guardian™ is an endoscopic bite block equipped with a cannula designed to sample expired air from both the nostril and the mouth for continuous measurement of the carbon dioxide concentration. b The automated capnographic monitoring device (Capnostream™ 20P) shows the patient’s respiratory airflow as a carbon dioxide concentration curve. c Cessation of air flow visualized as a flat line on the capnogram

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BMC Pulmonary Medicine

ISSN: 1471-2466

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