86 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... - Overview Hypoxia ... common type of hypoxia ... ) PIO2 - atmospheric ... diagnosis #causes #pathophysiology
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Flow 6-10 LPM • FiO2 ... 10-15 LPM • FiO2 ... Flow 2-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... 10-15 LPM • FiO2
Hypoxemia in Anesthesiology - Differential Diagnosis and Management 

Management: 

• increase Fi02 to 100% - verify!
Hypoxemia in Anesthesiology ... • increase Fi02 ... MarkHarrisMD #Hypoxemia ... #Hypoxia #Anesthesiology
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 ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Hypoxemia and Dyspnea - Rapid Response Management

1) Ask for vitals en route
2) Stabilize: Nasal canula 
3)
Hypoxemia and Dyspnea ... Management 1) Ask ... Diagnose using hypoxemia ... NatalieRosen_MD #Hypoxemia ... criticalcare #pulmonary #Hypoxia
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
- 6 L/min • FiO2 ... of flow) Face Mask ... - 10 L/min • FiO2 ... - 15 L/min • FiO2 ... ~40% Venturi Mask
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... Venturi Mask (venti-mask ... set to desired FiO2 ... deliver desired FiO ... Oxygen #Delivery #FiO2
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
in more severe hypoxemia ... filter • N95 mask ... for refractory hypoxemia ... patients with PaO2/FiO2 ... #criticalcare #hypoxia
Hypoxic-ischemic encephalopathy (HIE) 

#HypoxicIschemic #encephalopathy #HIE #Neonatal #Peds #Pediatrics #Pathophysiology
Hypoxic-ischemic ... Peds #Pediatrics #Pathophysiology
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
(1-6L, 24-40% FiO2 ... ) • Face mask ( ... 5-10L, 35-60% FiO2 ... Face tent/shovel mask ... ) • Venturi mask