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https://www.rch.org.au/rchcpg/hospital_clinical_guideline_index/Oxygen_delivery/
For nasal prong oxygen with humidification a maximum flow of: 4 LPM in infants/children under 2 years of age; 6 LPM for children over 2 years of age; 10 LPM for adolescents ≥ 30kg Optiflow Nasal Prongs Humidification using MR850 Humidifier . Optiflow nasal prongs are compatible for use in humidified low or high flow oxygen delivery.
https://www.ncbi.nlm.nih.gov/pubmed/2719238/
The mean FIO2 at a ventilation of 4.5 l.min-1 and 8 l.min-1 oxygen flow was 78% and this fell to 27% at a ventilation of 16 l.min-1 and oxygen flow of 2 l.min-1. The loosely fitting mask demonstrated larger SD of measurements and lower mean maximum FIO2 values of 46 to 49% and these fell in an irregular fashion to similar minimum values as ventilation increased and oxygen flow decreased.Author: Milross J, Young Ih, Donnelly P
https://aam.ucsf.edu/article/simple-facemask-hudson-mask
Simple facemask/ 'Hudson' mask These devices are used very commonly. They are variable performance devices and the maximum inspired oxygen concentration that can be achieved with these devices is up to 60%, but this is very dependent on the oxygen …
https://onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2044.2007.05026.x
Mar 14, 2007 · Variable performance systems such as the Hudson mask deliver a significantly reduced oxygen concentration at high respiratory rates. Fixed performance systems delivering 24–40% oxygen deliver appropriate oxygen concentrations across the range of respiratory rates, whereas those delivering 60% show a reduction in performance.Author: T. A. J. Wagstaff, N. Soni
http://oxfordmedicaleducation.com/wp-content/uploads/2015/10/Prescribing-oxygen-therapy.pdf
Hudson mask (delivers 30-40% oxygen) 3. Venturi mask Delivers 24 -60% oxygen depending on colour of fitting. Flow rate (oxygen flow rate is set on the O2 wall tap) is shown on mask along with the % O2 delivery. Each colour must be used with a given flow rate (written on the mask) to give the correct oxygen percentage.File Size: 328KB
https://aam.ucsf.edu/oxygen-delivery-devices
A reservoir bag supplies 100% oxygen and makes up for the deficit which occurs during times when the patient's PIFR is higher than the oxygen supply flow to the mask (usually around 20 L/min from an oxygen wall or tank source). A flap valve on the mask prevents or at least reduces
https://www.nursingtimes.net/clinical-archive/respiratory-clinical-archive/respiratory-procedures-use-of-a-non-rebreathing-oxygen-mask-07-10-2007/
The non-rebreathing mask (sometimes called a Hudson mask) with an oxygen reservoir bag (Fig 1) can be used to deliver high concentrations of oxygen to a spontaneously breathing patient.A one-way valve diverts the oxygen flow into the reservoir bag during expiration; the contents of the reservoir bag, together with the high flow of oxygen…
https://emedicalupdates.com/non-rebreather-partial-rebreather-simple-mask/
The purpose of such a mask is to deliver high concentration of oxygen without it getting diluted by exhaled air or the atmospheric air which has lower concentrations of oxygen. A non-rebreather mask can deliver oxygen close to concentration of 80-100%. Generally an expected concentration of 60-80…
https://www.kemh.health.wa.gov.au/~/media/Files/Hospitals/WNHS/For%20health%20professionals/Clinical%20guidelines/OG/WNHS.OG.OxygenTherapy.pdf
simple (hudson) mask Simple face masks deliver oxygen concentrations up to 60%.The flow should be at least 5L/min because lower flows can cause resistance to inspiration and rebreathingFile Size: 131KB
http://www.oxfordmedicaleducation.com/prescribing/oxygen-delivery/
Hudson mask (rarely used) Delivers 30-40% oxygen; Flow rate 5-10L/min . Venturi mask. Delivers 24-60% oxygen; Different colours deliver different rates; Flow rate: Varies with colour. The correct flow rate to use with each colour it is shown on mask, along with …
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