266 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Oxygen Delivery by Device ... Indicated for low-flow ... , low-percentage ... high percentage FiO ... Pulmonary #Equipment #Devices
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
- 6 L/min • FiO2 ... - 10 L/min • FiO2 ... : 40 - 60% Device ... - 15 L/min • FiO2 ... respiratory #support #devices
Oxygen Delivery Devices
1. Flow is a variable describing the movement of a volume of gas over
Oxygen Delivery Devices ... Variable devices ... resulting in an FiO2 ... Devices delivering ... more predictable FiO2
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Oxygen Delivery Devices ... 6-10 LPM • FiO2 ... 2-15 LPM • FiO2 ... LPM • FiO2 ~80% ... Oxygen #Delivery #Devices
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: • ... Oxygen #Delivery #Devices
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Oxygen Delivery Devices ... FiO2. ... achieving a higher FiO2 ... match demand so FiO2 ... Oxygen #Delivery #Devices
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... Algorithm Instead ... - Urine sodium low ... and uric acid low ... #Nephrology
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... SvO2 → Low PaO2 ... COHb, MetHb) - Low ... CaO2 → Low SvO2 ... summary #pulmonary #differential
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Uric Acid - Low ... #nephrology #sodium ... #low #uricacid
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 ... Hypoxia #hypoxemia #differential