1405 results
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
provide a different FiO2 ... Flow 2-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... Delivery #Devices #management
Oxygen Delivery Systems and Approximate FiO2:
#Management #SupplementalO2 #Oxygen #Delivery #Devices #Interface #FiO2 #NonRebreather #HFNC #NasalCannula #Simple
and Approximate FiO2 ... : #Management # ... Devices #Interface #FiO2
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
- 6 L/min • FiO2 ... - 10 L/min • FiO2 ... - 15 L/min • FiO2 ... on valve) • FiO2 ... support #devices #management
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... set to desired FiO2 ... deliver desired FiO ... Oxygen #Delivery #FiO2 ... Equipment #Devices #Management
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... chest) • Low PiO2 ... Elevation, Low Fio2 ... #differential #diagnosis
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Oxygenation PaO2/FiO2 ... Acute #Syndrome #Diagnosis ... #Management #CriticalCare
Hypotension in Anesthesiology - Differential Diagnosis and Management 

Initial checklist: 
 - Verify BP (e.g. surgeon
- Differential Diagnosis ... and Management ... - Increase FiO2 ... #Differential #Diagnosis ... #Management
Oxygen delivery & ABG interpretation made easier with this simple colour-coded table. Please share, and print
Birks @BirksMD #Management ... Devices #Interfaces #FiO2
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
inspired oxygen (PaO2/FiO2 ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2 ... Severe - PaO2 / FiO2 ... Definition #Criteria #Diagnosis
Hypoxemia in Anesthesiology - Differential Diagnosis and Management 

Management: 

• increase Fi02 to 100% - verify!
- Differential Diagnosis ... and Management ... Management: ... • increase Fi02 ... #Differential #Diagnosis