14 results
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
In hypoxemic respiratory ... resistance against expiratory ... • Patients in respiratory ... Delivery #Devices #management ... #pulmonary #criticalcare
Proposed Respiratory Support Algorithm in COVID19

The ‘intubate early’ paradigm, where patients who “fail” low flow oxygen
Proposed Respiratory ... flow oxygen (e.g ... @emupdates #respiratory ... support #COVID19 #management ... #schema #criticalcare
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
Nasal Cannula: • Flow ... 40% (-4%/L of flow ... Delivery #Systems #respiratory ... support #devices #management ... #pulmonary #comparison
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
General schema for respiratory ... flow nasal cannula ... Care @iBookCC #respiratory ... support #COVID19 #management ... #schema #criticalcare
Oxygen Delivery Devices
1. Flow is a variable describing the movement of a volume of gas over
Flow is a variable ... x RR and Peak Inspiratory ... patient's peak inspiratory ... #Comparison #management ... #criticalcare
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
Approach to Selecting Respiratory ... of noninvasive respiratory ... of noninvasive respiratory ... never be used to “blow ... #Management #CriticalCare
Auto-PEEP 
What is Auto-PEEP?
 • Progressive air trapping & dynamic hyperinflation → ↑Palv at end expiration
Commonly due to expiratory ... • Suspect when flow ... time (Tflow rate ... pulmonary #diagnosis #management ... #criticalcare #
Overview of Ventilator Modes
VC - Volume Control (a.k.a. assist control volume)
 - Every breath delivered (mandatory
., APV, Auto flow ... dynamically changes inspiratory ... #Ventilation #CriticalCare ... #Comparison #Management
Mechanical Ventilation: The Basics
In the most basic sense, ventilator modes are defined by their control variable
pressure for set inspiratory ... • Flow Cycled ... support until flow ... Basics #Modes #Comparison ... #management #criticalcare
High Flow Nasal Cannula
Putative beneficial mechanisms of high flow nasal cannula (HFNC) 
oxygen therapy. EELV, end-expiratory
High Flow Nasal ... mechanisms of high flow ... EELV, end-expiratory ... #mechanisms #criticalcare ... #management #