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Capnography

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13 papers 500 to 1000 followers
By Richard Gough Paramedic tutor, Post Qualification Manager
https://www.readbyqxmd.com/read/24986960/prehospital-end-tidal-carbon-dioxide-differentiates-between-cardiac-and-obstructive-causes-of-dyspnoea
#1
Christopher L Hunter, Salvatore Silvestri, George Ralls, Linda Papa
BACKGROUND: Differentiating between cardiac and obstructive causes for dyspnoea is essential for proper management, but is difficult in the prehospital setting. OBJECTIVE: To assess if prehospital levels of end-tidal carbon dioxide (ETCO2) differed in obstructive compared to cardiac causes of dyspnoea, and could suggest one diagnosis over the other. METHODS: We conducted a retrospective cohort study among patients transported by emergency medical services during a 29-month period who were diagnosed with either obstructive pulmonary disease or congestive heart failure (CHF) by ICD-9 codes...
June 2015: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/22519942/emergency-capnography-monitoring-comparing-ergonomic-design-of-intensive-care-unit-ventilator-interfaces-and-specific-training-of-staff-in-reducing-time-to-activation
#2
RANDOMIZED CONTROLLED TRIAL
E Hodges, A Griffiths, J Richardson, M Blunt, P Young
Modern ventilators provide capnography monitoring in patients with tracheal tubes, in compliance with national and international recommendations. This technology is often not used when patients' lungs are non-invasively ventilated; however, it should be accessed immediately following tracheal intubation to confirm tube placement. This study assessed the effect of ventilation interface design on the speed with which capnography can be activated by comparing the Dräger Evita 4 and Dräger V500 before and after a specific training episode...
August 2012: Anaesthesia
https://www.readbyqxmd.com/read/21627625/time-for-capnography-everywhere
#3
EDITORIAL
D K Whitaker
No abstract text is available yet for this article.
July 2011: Anaesthesia
https://www.readbyqxmd.com/read/20400033/capnography-and-patient-safety-for-endoscopy
#4
REVIEW
Patrick D Gerstenberger
No abstract text is available yet for this article.
May 2010: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/18593486/capnography-and-respiratory-care-in-the-21st-century
#5
EDITORIAL
Richard H Kallet
No abstract text is available yet for this article.
July 2008: Respiratory Care
https://www.readbyqxmd.com/read/14687102/problems-with-capnography-at-high-altitude
#6
K Pattinson, S Myers, C Gardner-Thorpe
The aim of this study was to investigate why capnographs malfunction at high altitude, in order to suggest ways of improving instrument reliability. Four machines were decompressed to simulated high altitude and measurements taken. The study showed that the reduced air density at altitude has effects upon the pump, causing difficulty in entraining gas, and that high altitude has additional effects upon calibration of the instruments.
January 2004: Anaesthesia
https://www.readbyqxmd.com/read/14624676/capnography-during-cardiac-resuscitation-a-clue-on-mechanisms-and-a-guide-to-interventions
#7
COMMENT
Raúl J Gazmuri, Erika Kube
No abstract text is available yet for this article.
December 2003: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/11536020/use-of-capnography-in-the-delivery-room-for-assessment-of-endotracheal-tube-placement
#8
J E Repetto, P K Donohue PA-C, S F Baker, L Kelly, L M Nogee
OBJECTIVE: Determine whether end-tidal CO(2) (ETCO(2)) monitoring allows for more rapid discrimination of tracheal versus esophageal intubation than standard clinical assessment during neonatal resuscitation in the delivery room. STUDY DESIGN: Endotracheal tube (ETT) placement was assessed using either a hand-held monitor that displayed graphic and quantitative ETCO(2) by an investigator not involved in the resuscitation, or using clinical parameters by the resuscitation team unaware of the ETCO(2) data...
July 2001: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/11140424/hemodynamic-applications-of-capnography
#9
REVIEW
L Schallom, T Ahrens
The measurement of the pressure of exhaled carbon dioxide (PetCO2) via capnography has several useful hemodynamic applications. This article discusses integrating PetCO2 values with hemodynamic assessment. Capnography can be applied to hemodynamic assessment in three key ways: (1) identification of end-expiration during pulmonary artery and central venous pressure measurements, (2) assessment of pulmonary perfusion and alveolar deadspace, (3) assessment of cardiopulmonary resuscitative efforts. The article presents research, sample waveforms for end-expiration identification, and case examples...
January 2001: Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/11094503/carbon-dioxide-kinetics-and-capnography-during-critical-care
#10
REVIEW
C T Anderson, P H Breen
Greater understanding of the pathophysiology of carbon dioxide kinetics during steady and nonsteady state should improve, we believe, clinical care during intensive care treatment. Capnography and the measurement of end-tidal partial pressure of carbon dioxide (PETCO2) will gradually be augmented by relatively new measurement methodology, including the volume of carbon dioxide exhaled per breath (VCO2,br) and average alveolar expired PCO2. Future directions include the study of oxygen kinetics.
2000: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/9801479/interpretation-of-capnography
#11
REVIEW
J L Benumof
The anesthetist will get the most information out of a capnograph if it is examined systematically. First, the anesthetist must determine whether exhaled CO2 (i.e., a waveform) is present. The differential diagnosis of absent CO2 includes esophageal intubation, accidental tracheal extubation, disconnection of the breathing circuit, complete obstruction of the endotracheal tube or conducting system (kink, inspissated blood or secretions, extremely severe bronchospasm) or of the breathing circuit, apnea, and cardiac arrest...
April 1998: AANA Journal
https://www.readbyqxmd.com/read/9248908/capnography-for-monitoring-non-intubated-spontaneously-breathing-patients-in-an-emergency-room-setting
#12
C V Egleston, H Ben Aslam, M A Lambert
OBJECTIVE: To examine the feasibility of using expiratory capnography as an indicator of airway obstruction in non-intubated resuscitation room patients. METHODS: Patients with potential respiratory compromise admitted to the resuscitation room were assessed for widespread expiratory wheeze. This was taken as clinical evidence of airways obstruction. Expiratory capnograms of these patients and patients who had no wheeze were obtained. The traces were analysed for basic morphology and where appropriate the slope ratio (SR) between phase 1 (S1) and phase 2 (S2) of the trace was obtained...
July 1997: Journal of Accident & Emergency Medicine
https://www.readbyqxmd.com/read/1424873/accuracy-of-capnography-in-nonintubated-surgical-patients
#13
S Y Liu, T S Lee, F Bongard
Previous studies have reported mixed results when correlating etCO2 and PaCO2 in mechanically ventilated patients with underlying respiratory disease. However, the utility and accuracy of capnography in nonintubated patients, without chronic pulmonary disease, has received little attention. We studied 25 nonintubated surgical patients to (1) examine the correlation between PaCO2 and etCO2 and (2) describe the relationship between dead space (VD/VT), venous admixture and P(a-et)CO2. End tidal CO2 was lower than PaCO2 by an average of 3...
November 1992: Chest
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