822 results
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
- 6 L/min • FiO2 ... of flow) Face Mask ... - 10 L/min • FiO2 ... ~40% Venturi Mask ... Delivery #Systems #respiratory
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Flow 6-10 LPM • FiO2 ... 10-15 LPM • FiO2 ... Flow 2-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... 10-15 LPM • FiO2
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... Venturi Mask (venti-mask ... set to desired FiO2 ... deliver desired FiO ... Oxygen #Delivery #FiO2
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Criteria for Acute Respiratory ... Syndrome (ARDS) - Respiratory ... week of a known clinical ... mm Hg < PaO2 / FiO2 ... #ARDS #Acute #Respiratory
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Treating ARDS - Acute Respiratory ... Origin of Edema - respiratory ... Oxygenation PaO2/FiO2 ... nickmmark #ARDS #Respiratory
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
rates & moderate FiO2 ... achieving a higher FiO2 ... In hypoxemic respiratory ... • Patients in respiratory ... match demand so FiO2
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Hypoventilation: CNS of Respiratory ... chest) • Low PiO2 ... Elevation, Low Fio2
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
and difficult mask ... Gradually lower Fi02 ... Parameters • Respiratory ... recruitment • FiO2 ... desaturation prioritise FiO2
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
General schema for respiratory ... filter • N95 mask ... patients with PaO2/FiO2 ... Internet Book of Critical ... Care @iBookCC #respiratory
Medical Mask Usage in COVID-19
Medical masks can be used to prevent the spread of respiratory infections.
the spread of respiratory ... masks and N95 respirators ... - N95 respirators ... N95 respirators ... someone with a respiratory