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Episode 6: Oxygenation
Manage episode 125340846 series 165883
To provide a bit of balance following our earlier hyperoxia podcast, this episode we are discussing circumstances when we want to deliver extra oxygen to patients and ways to do this effectively, including an interview with Sydney HEMS Consultant Yash Wilmalasena on apnoeic oxygenation. Hope you find it useful!
https://phemcast.co.uk/wp-content/uploads/2016/03/oxygenation-16032016-15-25.mp3
Some of the stuff we talked about:
Optimal patient positioning when managing the airway and assisting ventilation has traditionally been taught as ‘sniffing the morning air’, shown here.
But now, learning from bariatric practice we are realising that ramping is better for airway optimisation. In this position the patient’s tragus is lined up with their sternal notch to make the airway as straight as possible.
Taken from: http://www.emsworld.com/article/11264318/airway-management-and-ventilation-best-practices
A water’s circuit looks like this:
This is an image of the oxygenation dissociation curve mentioned in the podcast. Taken from Weingart & Levitan 2012.
Here are some other great resources which demonstrate some of the principles we have discussed:
Our Birmingham Emergency Medicine colleagues review the evidence so far for apnoeic oxygenation:
http://www.heftemcast.co.uk/apnoeic-oxygenation/
There are some short videos from Scott Weingart demonstrating some of the techniques discussed available here:
http://emcrit.org/preoxygenation
A well written blog post summarising the key features of a BVM from the Life in the Fast Lane team:
http://lifeinthefastlane.com/ccc/bag-mask/
This is a great (and entertaining!) video cast from Emergency Medicine colleagues in the States discussing and demonstrating techniques for optimal bag-valve-mask ventilation.
References
Wilmalasena Y, Burns B, Reid C, Ware S., Habig K. Apneic oxygenation was associated with decreased desaturation rates during rapid sequence intubation by an Australian helicopter emergency medicine service. Annals of Emergency Medicine. 2015; 65(4): 371-376.
Weingart SD, Levitan RM. Preoxygenation and Prevention of Desaturation During Emergency Airway Management. Annals of Emergency Medicine. 2012; 59(3): 165-175.
Weingart SD, Trueger NS, Wong N, Scofi J, Singh N, Rudolph SS. Delayed Sequence Intubation: A Prospective Observational Study. Annals of Emergency Medicine. 2014; 65(4): 349-355.
Weingart SD. Preoxygenation, reoxygenation, and delayed sequence intubation in the Emergency Department. The Journal of Emergency Medicine. 2010;
Grant S, Khan F, Keijzers G, Shirran M, Marneros L. Ventilator-assisted preoxygenation: protocol for combining non-invasive ventilation and apnoeic oxygenation using a portable ventilator. Emergency Medicine Australasia. 2016: 28(1); 67-72.
Von Goedecke A, Wenzel V, Hormann C, Voelckel WG, Wagner-Berger HG, Zecha-Stallinger A, Luger TJ, Keller C. Effects of face mask ventilation in apneic patients with a resuscitation ventilator in comparision with a bag-valve-mask. Journal of Emergency Medicine. 2006: 30(1); 63-67.
Semier MW, Janz DR, Lentz RJ, Matthews DT, Norman BC, Assad TR, Keriwala RD, Ferrell BA, Noto MJ, McKown AC, Kocurek EG, Warren MA, Huerta LE, Rice TW. Randomized trial of apneic oxygenation during endotracheal intubation of the critically ill. American Journal of Respiratory Critical Care Medicine. 2016; 193(3): 273-280. (FELLOW Trial)
How to cite this podcast:
Nutbeam T, Bosanko C. Oxygenation. PHEMCAST. 2016 [cite Date Accessed]. Available from: http://www.phemcast.co.uk
48 ตอน
Manage episode 125340846 series 165883
To provide a bit of balance following our earlier hyperoxia podcast, this episode we are discussing circumstances when we want to deliver extra oxygen to patients and ways to do this effectively, including an interview with Sydney HEMS Consultant Yash Wilmalasena on apnoeic oxygenation. Hope you find it useful!
https://phemcast.co.uk/wp-content/uploads/2016/03/oxygenation-16032016-15-25.mp3
Some of the stuff we talked about:
Optimal patient positioning when managing the airway and assisting ventilation has traditionally been taught as ‘sniffing the morning air’, shown here.
But now, learning from bariatric practice we are realising that ramping is better for airway optimisation. In this position the patient’s tragus is lined up with their sternal notch to make the airway as straight as possible.
Taken from: http://www.emsworld.com/article/11264318/airway-management-and-ventilation-best-practices
A water’s circuit looks like this:
This is an image of the oxygenation dissociation curve mentioned in the podcast. Taken from Weingart & Levitan 2012.
Here are some other great resources which demonstrate some of the principles we have discussed:
Our Birmingham Emergency Medicine colleagues review the evidence so far for apnoeic oxygenation:
http://www.heftemcast.co.uk/apnoeic-oxygenation/
There are some short videos from Scott Weingart demonstrating some of the techniques discussed available here:
http://emcrit.org/preoxygenation
A well written blog post summarising the key features of a BVM from the Life in the Fast Lane team:
http://lifeinthefastlane.com/ccc/bag-mask/
This is a great (and entertaining!) video cast from Emergency Medicine colleagues in the States discussing and demonstrating techniques for optimal bag-valve-mask ventilation.
References
Wilmalasena Y, Burns B, Reid C, Ware S., Habig K. Apneic oxygenation was associated with decreased desaturation rates during rapid sequence intubation by an Australian helicopter emergency medicine service. Annals of Emergency Medicine. 2015; 65(4): 371-376.
Weingart SD, Levitan RM. Preoxygenation and Prevention of Desaturation During Emergency Airway Management. Annals of Emergency Medicine. 2012; 59(3): 165-175.
Weingart SD, Trueger NS, Wong N, Scofi J, Singh N, Rudolph SS. Delayed Sequence Intubation: A Prospective Observational Study. Annals of Emergency Medicine. 2014; 65(4): 349-355.
Weingart SD. Preoxygenation, reoxygenation, and delayed sequence intubation in the Emergency Department. The Journal of Emergency Medicine. 2010;
Grant S, Khan F, Keijzers G, Shirran M, Marneros L. Ventilator-assisted preoxygenation: protocol for combining non-invasive ventilation and apnoeic oxygenation using a portable ventilator. Emergency Medicine Australasia. 2016: 28(1); 67-72.
Von Goedecke A, Wenzel V, Hormann C, Voelckel WG, Wagner-Berger HG, Zecha-Stallinger A, Luger TJ, Keller C. Effects of face mask ventilation in apneic patients with a resuscitation ventilator in comparision with a bag-valve-mask. Journal of Emergency Medicine. 2006: 30(1); 63-67.
Semier MW, Janz DR, Lentz RJ, Matthews DT, Norman BC, Assad TR, Keriwala RD, Ferrell BA, Noto MJ, McKown AC, Kocurek EG, Warren MA, Huerta LE, Rice TW. Randomized trial of apneic oxygenation during endotracheal intubation of the critically ill. American Journal of Respiratory Critical Care Medicine. 2016; 193(3): 273-280. (FELLOW Trial)
How to cite this podcast:
Nutbeam T, Bosanko C. Oxygenation. PHEMCAST. 2016 [cite Date Accessed]. Available from: http://www.phemcast.co.uk
48 ตอน
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