86 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 ... set to desired FiO2 ... #Pulmonary #Equipment
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
6-10 LPM • FiO2 ... 10-15 LPM • FiO2 ... LPM • FiO2 60- ... maintain a higher FiO2 ... Devices #management #pulmonary
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
- 6 L/min • FiO2 ... - 10 L/min • FiO2 ... - 15 L/min • FiO2 ... on valve) • FiO2 ... devices #management #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... flail chest) • Low ... PiO2: Extreme Elevation ... , Low Fio2 A-a ... Intracardiac, Pulmonary
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
Devices - Comparison Low ... Flow: • Nasal ... ) High Flow: • ... ) • High-flow nasal ... Comparison #table #pulmonary
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
demands Hypoxemia - low ... type of hypoxia) PIO2 ... SvO2 → Low PaO2 ... CaO2 → Low SvO2 ... Hypoxemia #summary #pulmonary
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
commonly used deliver low ... FiO2. ... achieving a higher FiO2 ... match demand so FiO2 ... Devices #management #pulmonary
#Diagnosis #EM #IM #PERC #Low #Risk #Pulmonary #Embolism #PulmonaryEmbolism #Algorithm #RebelEM
#EM #IM #PERC #Low ... #Risk #Pulmonary ... PulmonaryEmbolism #Algorithm
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
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
to the i-STAR Algorithm ... guarantee modes • Low-moderate ... PEEP (ARDSnet low-PEEP ... recruitment • FiO2 ... patients #iSTAR #Algorithm