52 results
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 ... respiratory #support #devices ... #management #pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Oxygen Delivery Devices ... 10-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... Oxygen #Delivery #Devices ... #management #pulmonary
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Oxygen Delivery by Device ... high percentage FiO ... set to desired FiO2 ... #Pulmonary #Equipment ... #Devices #Management
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
Oxygen Delivery Devices ... (1-6L, 24-40% FiO2 ... (5-10L, 35-60% FiO2 ... Oxygen #Delivery #Devices ... Comparison #table #pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... explained by pleural effusions ... lung collapse, or pulmonary ... the hypoxemia defines ... mm Hg < PaO2 / 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 ... Disease and more • Diffusion ... Defect: Pulmonary
Shark Tail Appearance of Consolidated Lung on Pleural Effusion on POCUS

Dr. David Feller-Kopman @dfellerk

#Pleural #Effusion #pulmonary
Lung on Pleural Effusion ... on POCUS Dr. ... dfellerk #Pleural #Effusion ... #pulmonary #Lung ... #POCUS #clinical
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Oxygen Delivery Devices ... rates & moderate FiO2 ... achieving a higher FiO2 ... Oxygen #Delivery #Devices ... #management #pulmonary
Right pleural effusion with "spine sign" seen beautifully by using large footprint curvilinear transducer on lung
Right pleural effusion ... Care Ultrasound (POCUS ... Sign #Clinical #POCUS ... Lung #Pleural #Effusion ... #ultrasound #pulmonary
Spine sign: visualization of the vertebral bodies in the thoracic cavity above the diaphragm indicative of
indicative of pleural effusion ... absence of pleural effusion ... #SpineSign #POCUS ... Clinical #Pleural #Effusion ... #Pulmonary #Lung