21 results
Oxygen Delivery Methods
 • Nasal Cannula
 • Nonrebreather Mask
 • Non-Invasive Ventilation (CPAP/BiPAP)
 • Venturi Mask
Nonrebreather Mask ... Non-Invasive Ventilation (CPAP ... BiPAP) • Venturi Mask ... • High-Flow Nasal ... respiratory #pulmonary #management
Oxygen Delivery Devices
1. Flow is a variable describing the movement of a volume of gas over
Room air is 21% ... sealed systems (CPAP ... /BPAP/ventilator ... NRB) • Venturi Mask ... #Comparison #management
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
flow nasal cannula ... rate) CPAP • ... Titrate CPAP up ... filter • N95 mask ... support #COVID19 #management
CPAP Troubleshooting Tips
1. Wrong size/style mask → try a different mask, nasal pillows
2. Trouble getting used
CPAP Troubleshooting ... tolerating forced air ... noise → check air ... BrighamChiefs #CPAP ... Troubleshooting #Tips #management
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Flow rate of ... • Flow rate of ... entrainment of room air ... Venturi Mask (venti-mask ... Equipment #Devices #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
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
: • Flow 6-10 ... oxygen ambient air ... rate: • Flow ... • Flow 10-15 ... Delivery #Devices #management
Renal Replacement Therapy (RRT) - ICU One Pager Summary
Indications (AIEOU):
 • A: Acidosis (usually severe metabolic)
Intoxications (APAP ... • Blood Flow ... molecules via diffusion ... both convection & diffusion ... #Therapy #RRT #managment