![emDOCs.net – Emergency Medicine EducationCOVID-19: Oxygen Escalation Therapy and Noninvasive Ventilation - emDOCs.net - Emergency Medicine Education emDOCs.net – Emergency Medicine EducationCOVID-19: Oxygen Escalation Therapy and Noninvasive Ventilation - emDOCs.net - Emergency Medicine Education](http://www.emdocs.net/wp-content/uploads/2020/04/Phenotypes-1024x544.jpg)
emDOCs.net – Emergency Medicine EducationCOVID-19: Oxygen Escalation Therapy and Noninvasive Ventilation - emDOCs.net - Emergency Medicine Education
![Matthew Ho, MD PhD 🇸🇬 on Twitter: "3c. Venturi facemask - Unlike simple and non-rebreather facemasks where you set the oxygen flow rate, you set FiO2 here (24%-60%) - BLUE = 2-4L/min = Matthew Ho, MD PhD 🇸🇬 on Twitter: "3c. Venturi facemask - Unlike simple and non-rebreather facemasks where you set the oxygen flow rate, you set FiO2 here (24%-60%) - BLUE = 2-4L/min =](https://pbs.twimg.com/media/FMe74sZX0AUY3Is.png)
Matthew Ho, MD PhD 🇸🇬 on Twitter: "3c. Venturi facemask - Unlike simple and non-rebreather facemasks where you set the oxygen flow rate, you set FiO2 here (24%-60%) - BLUE = 2-4L/min =
![Sam Birks on Twitter: "Oxygen delivery & ABG interpretation made easier with this simple colour-coded table. Please share, and print & post next to gas machines! https://t.co/4EX1GlnjXs" / Twitter Sam Birks on Twitter: "Oxygen delivery & ABG interpretation made easier with this simple colour-coded table. Please share, and print & post next to gas machines! https://t.co/4EX1GlnjXs" / Twitter](https://pbs.twimg.com/media/DcTJZcwW0AAVVGx.jpg:large)
Sam Birks on Twitter: "Oxygen delivery & ABG interpretation made easier with this simple colour-coded table. Please share, and print & post next to gas machines! https://t.co/4EX1GlnjXs" / Twitter
![iMED on Twitter: "These devices are commonly classified as low flow or high flow systems based on the flow rate. Low flow systems (nasal cannula, face mask, face tent) are usually < iMED on Twitter: "These devices are commonly classified as low flow or high flow systems based on the flow rate. Low flow systems (nasal cannula, face mask, face tent) are usually <](https://pbs.twimg.com/media/FAi7GPtWEAEgMl6.png)
iMED on Twitter: "These devices are commonly classified as low flow or high flow systems based on the flow rate. Low flow systems (nasal cannula, face mask, face tent) are usually <
![emDOCs.net – Emergency Medicine EducationCOVID-19: Oxygen Escalation Therapy and Noninvasive Ventilation - emDOCs.net - Emergency Medicine Education emDOCs.net – Emergency Medicine EducationCOVID-19: Oxygen Escalation Therapy and Noninvasive Ventilation - emDOCs.net - Emergency Medicine Education](http://www.emdocs.net/wp-content/uploads/2020/04/Screen-Shot-2020-04-13-at-9.03.00-PM.png)