405 results
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
- 6 L/min • FiO2 ... - 10 L/min • FiO2 ... - 15 L/min • FiO2 ... Delivery #Systems #respiratory ... devices #management #pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Criteria for Acute Respiratory ... Syndrome (ARDS) - Respiratory ... consistent with pulmonary ... lung collapse, or pulmonary ... #ARDS #Acute #Respiratory
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Hypoventilation: CNS of Respiratory ... chest) • Low PiO2 ... Elevation, Low Fio2 ... Intracardiac, Pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
provide a different FiO2 ... Flow 2-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... Devices #management #pulmonary
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
rates & moderate FiO2 ... achieving a higher FiO2 ... In hypoxemic respiratory ... match demand so FiO2 ... Devices #management #pulmonary
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Treating ARDS - Acute Respiratory ... Origin of Edema - respiratory ... Oxygenation PaO2/FiO2 ... nickmmark #ARDS #Respiratory
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Pulmonary Function ... and expiratory ... “scooped out” expiratory ... “scooped out” expiratory ... FlowVolume #Loops #pulmonary
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... set to desired FiO2 ... deliver desired FiO ... Oxygen #Delivery #FiO2 ... #Pulmonary #Equipment
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
High-pitched, variable respiratory ... • Recurrent respiratory ... Supraglottis - Inspiratory ... and bronchi - Expiratory ... diagnosis #causes #pulmonary
Clinical Examination of the Respiratory System

#Respiratory #PhysicalExam #Pulmonary #Diagnosis #Signs #Assessment #Examination
Examination of the Respiratory ... System #Respiratory ... #PhysicalExam #Pulmonary