400 results
Oxygen Delivery Systems and Approximate FiO2:
#Management #SupplementalO2 #Oxygen #Delivery #Devices #Interface #FiO2 #NonRebreather #HFNC #NasalCannula #Simple
and Approximate FiO2 ... #Management #SupplementalO2 ... Devices #Interface #FiO2
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
low-percentage supplemental ... higher percentage supplemental ... high percentage FiO ... set to desired FiO2 ... deliver desired FiO
Oxygen delivery & ABG interpretation made easier with this simple colour-coded table. Please share, and print
#Management #SupplementalO2 ... Devices #Interfaces #FiO2
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
not respond to supplemental ... O2 - Key diagnostic ... response to 100% FiO2 ... response to 100% FiO2 ... COPD, anemia) #Diagnosis
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
used to deliver supplemental ... rates & moderate FiO2 ... achieving a higher FiO2 ... match demand so FiO2
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... chest) • Low PiO2 ... Elevation, Low Fio2 ... #differential #diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
inspired oxygen (PaO2/FiO2 ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2 ... Severe - PaO2 / FiO2 ... Definition #Criteria #Diagnosis
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
additions, for diagnosing ... IEM schema for supplemental ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... Laboratory #Patterns #diagnosis
PROSEVA definition of ARDS
Thus, the PROSEVA trial essentially modifies the Berlin definition of ARDS, with the
that the PaO2/FiO2 ... that the PaO2/FiO2 ... #Diagnosis #CriticalCare
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Oxygenation PaO2/FiO2 ... Acute #Syndrome #Diagnosis