66 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Indicated for low-flow ... , low-percentage ... high percentage FiO ... desired FiO ... #FiO2 #Pulmonary
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Nasal Oxygen Delivery ... low flow rates ... & moderate FiO2. ... achieving a higher FiO2 ... match demand so FiO2
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... 6-10 LPM • FiO2 ... 10-15 LPM • FiO2 ... reservoir increases delivered ... #Mask #Oxygen #Delivery
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
Oxygen Delivery ... - 6 L/min • FiO2 ... - 10 L/min • FiO2 ... - 15 L/min • FiO2 ... rishikumarmd #Oxygen #Delivery
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
Oxygen Delivery ... Devices - Comparison Low ... Flow: • Nasal ... ) High Flow: • ... iMedEducation #Oxygen #Delivery
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 ... resulting in an FiO2 ... more predictable FiO2
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
Low O2 saturation ... response to 100% FiO2 ... causes a falsely low ... response to 100% FiO2 ... of impaired O2 delivery
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
insufficient oxygen delivered ... demands Hypoxemia - low ... type of hypoxia) PIO2 ... SvO2 → Low PaO2 ... CaO2 → Low SvO2
Mechanical Ventilation: The Basics
In the most basic sense, ventilator modes are defined by their control variable
ARDSnet PEEP ladder, FiO2 ... ARDSnet PEEP ladder, FiO2 ... • Flow Cycled ... support until flow ... spontaneous, PEEP: 5-8, FiO2
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... - Urine sodium low ... and uric acid low ... #Differential #Algorithm ... #Diagnosis #Nephrology