484 results
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 ... Intracardiac, Pulmonary ... Hypoxia #hypoxemia #differential
Oxygen Delivery Systems and Approximate FiO2:
#Management #SupplementalO2 #Oxygen #Delivery #Devices #Interface #FiO2 #NonRebreather #HFNC #NasalCannula #Simple
and Approximate FiO2 ... Devices #Interface #FiO2 ... FaceMask #Venture #Table
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
provide a different FiO2 ... Flow 2-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... 10-15 LPM • 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
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
(1-6L, 24-40% FiO2 ... (5-10L, 35-60% FiO2 ... (5-15L, 35-50% FiO2 ... Devices #Comparison #table ... #pulmonary #criticalcare
Causes of Pleural Effusions
#Diagnosis #Pulmonary #PleuralEffusions #Differential #Table #Transudative #Exudative
Effusions #Diagnosis #Pulmonary ... PleuralEffusions #Differential ... #Table #Transudative
Characteristics of Important Exudative Pleural Effusions

#Exudative #Pleural #Effusions #Comparison #Table #Characteristics #Differential #Pulmonary
Effusions #Comparison #Table ... Characteristics #Differential ... #Pulmonary
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... set to desired FiO2 ... deliver desired FiO ... Oxygen #Delivery #FiO2 ... #Pulmonary #Equipment
Life Threatening Causes of Chest Pain - Differential Diagnosis Table

 • ACS
 • Aortic Dissection
 •
of Chest Pain - Differential ... Diagnosis Table ... Dissection • Pulmonary ... #Chest #Pain #differential ... #diagnosis #table
Oxygen delivery & ABG interpretation made easier with this simple colour-coded table. Please share, and print
simple colour-coded table ... Devices #Interfaces #FiO2 ... NRB #FlowRates #Table