21 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... entrainment of room air ... desired FiO ... #FiO2 #Pulmonary ... Equipment #Devices #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 Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
Oxygen Delivery ... of flow) Face Mask ... ~40% Venturi Mask ... rishikumarmd #Oxygen #Delivery ... support #devices #management
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
rates & moderate FiO2 ... achieving a higher FiO2 ... entrain ambient air ... match demand so FiO2 ... #Devices #management
Oxygen Delivery Devices
1. Flow is a variable describing the movement of a volume of gas over
Oxygen Delivery ... resulting in an FiO2 ... more predictable FiO2 ... NRB) • Venturi Mask ... Flow #Comparison #management
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... (assumes Room Air ... chest) • Low PiO2 ... Elevation, Low Fio2 ... Disease and more • Diffusion
Mechanical Ventilation: The Basics
In the most basic sense, ventilator modes are defined by their control variable
Volume Control (AC ... ARDSnet PEEP ladder, FiO2 ... ARDSnet PEEP ladder, FiO2 ... spontaneous, PEEP: 5-8, FiO2 ... Modes #Comparison #management
(S)CMV - Synchronized Controlled Mechanical Ventilation Summary
Most Similar to "AC/VC"
Basic Set Parameters:
  1) Rate
Most Similar to "AC ... 3) PEEP 4) FiO2 ... ventilator will deliver ... ventilator will deliver ... #Ventilation #management
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
Noninvasive Ventilation Summary
Positive pressure ventilation that is delivered through a nasal, mask, or helmet interface and
ventilation that is delivered ... through a nasal, mask ... patients with air ... nasal cannula • Delivers ... #Ventilation #management