32 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Flow rate of ... Nonrebreather Mask ... entrainment of room air ... Venturi Mask (venti-mask ... Equipment #Devices #Management
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Nasal Oxygen Delivery ... can be used to deliver ... commonly used deliver ... entrain ambient air ... #Devices #management
Oxygen Delivery Devices
1. Flow is a variable describing the movement of a volume of gas over
Oxygen Delivery ... the wall/oxygen delivery ... Oxygen delivery ... NRB) • Venturi Mask ... #Comparison #management
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... oxygen ambient air ... reservoir increases delivered ... #Oxygen #Delivery ... #Devices #management
Oxygen Delivery Methods
 • Nasal Cannula
 • Nonrebreather Mask
 • Non-Invasive Ventilation (CPAP/BiPAP)
 • Venturi Mask
Oxygen Delivery ... Nonrebreather Mask ... • High-Flow Nasal ... DharSaty #Oxygen #Delivery ... respiratory #pulmonary #management
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
Oxygen Delivery ... ) Face Mask: ... ~40% Venturi Mask ... rishikumarmd #Oxygen #Delivery ... support #devices #management
Noninvasive Ventilation Summary
Positive pressure ventilation that is delivered through a nasal, mask, or helmet interface and
through a nasal, mask ... patients with air ... - Heated high-flow ... depends on set flow ... #Ventilation #management
COVID-19 Phenotypes - Implications for Respiratory Support Management

L Phenotype
 - Low Elastcnce (High Compliance)
 - Low
Respiratory Support Management ... Ventilation Perfusion ... Weight - Low ... Right-to-Left Shunt ... Variations #Diagnosis #Management
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... flail chest) • Low ... Extreme Elevation, Low ... Right to Left Shunt ... Disease and more • Diffusion
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Diagnosis and Management ... 1) or anatomic shunt ... Arterial blood gas (ABC ... older) on room air ... SpO2 > 88% • Management