493 results
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
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 ... devices #management #pulmonary ... #comparison
Lung Auscultation and Physical Exam Findings in Selected Lung Disorders

#PhysicalExam #Auscultation #Pulmonary #Percussion #Dullness #Fremitus #BreathSounds
Lung Auscultation ... Findings in Selected Lung ... #Auscultation #Pulmonary ... #Transmitted #Comparison ... #Table #Lung #Diagnosis
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
Delivery Devices - Comparison ... (1-6L, 24-40% FiO2 ... (5-10L, 35-60% FiO2 ... Delivery #Devices #Comparison ... #table #pulmonary
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 ... 10-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... Devices #management #pulmonary
Lung Ultrasound: Cardiogenic Pulmonary Edema vs ARDS
Cardiogenic Pulmonary Edema:
 • Smooth pleural line
 • AIS >
Cardiogenic Pulmonary ... ARDS Cardiogenic Pulmonary ... Non-cardiogenic pulmonary ... #APE #ARDS #pulmonary ... #edema #comparison
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... lobar collapse, lung ... collapse, or pulmonary ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2
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
Interventional bronchoscopic and surgical treatments for chronic obstructive pulmonary disease (COPD). Overview of various therapies used
chronic obstructive pulmonary ... bronchoscopic lung ... outcomes or comparison ... to lung volume ... endobronchial valve; LVRC: lung
Barcode Sign in Pneumothorax on POCUS - M-Mode

seashore sign: normal lung sliding

barcode/stratosphere sign: pneumothorax 

#Pneumothorax #Barcode
seashore sign: normal lung ... POCUS #Diagnosis #Comparison ... stratosphere #Clinical #Pulmonary