63 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
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 ... Embolism, Obstructive Lung ... , Interstitial Lung
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... lobar collapse, lung ... collapse, or pulmonary ... the hypoxemia defines ... mm Hg < PaO2 / FiO2
POCUS Lung Algorithm for the Use of Ultrasound in the Evaluation of Dyspnea 

#Diagnosis #Management #CriticalCare
POCUS Lung Algorithm ... POCUS #Dyspnea #Algorithm ... #Ddxof #Lung #Pulmonary
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Pulmonary Function ... Interpretation Algorithm ... Restrictive Lung ... MatthewHoMD #Pulmonary ... Interpretation #Algorithm
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
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Interpretation Algorithm ... • Normal • Pulmonary ... • Interstitial Lung ... Interpretation #Algorithm