449 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... retention of exhaled gases ... • Uses either ... set to desired FiO2 ... #FiO2 #Pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... A venturi mask uses ... small valve to mix oxygen ... increases delivered oxygen ... nickmmark #Mask #Oxygen
Oxygen Delivery Systems and Approximate FiO2:
#Management #SupplementalO2 #Oxygen #Delivery #Devices #Interface #FiO2 #NonRebreather #HFNC #NasalCannula #Simple
Oxygen Delivery ... and Approximate FiO2 ... SupplementalO2 #Oxygen ... Devices #Interface #FiO2
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
Oxygen delivery & ABG interpretation made easier with this simple colour-coded table. Please share, and print
Oxygen delivery ... SupplementalO2 #Oxygen ... Devices #Interfaces #FiO2
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
Oxygen Delivery ... (1-6L, 24-40% FiO2 ... (5-10L, 35-60% FiO2 ... (5-15L, 35-50% FiO2 ... iMedEducation #Oxygen
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
- insufficient oxygen ... Hypoxemia - low oxygen ... type of hypoxia) PIO2 ... - atmospheric oxygen ... differential #diagnosis #causes
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
of arterial oxygen ... fraction of inspired oxygen ... (PaO2/FiO2). ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
problem in adequate oxygen ... ❶ Adequate oxygen ... AND give 100% oxygen ... check measured FiO2 ... pressure as a cause
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
DECREASED INSPIRED OXYGEN ... gas equation • Causes ... Difficulty diffusing oxygen ... with supplemental oxygen ... with supplemental oxygen