Pulmonary ultrasound

Question 1

Formal LUS/Imaging

Answer 1

• Is a:
  
  • Formal assessment
  • Comprehensive eval
• Seeks to answer:
  
  • Structure, function
• Quantitative performed by:
  
  • Trained sonographers/techs
• Read by:
  
  • Radiologists

Question 2

Focused Lung US

Answer 2

• Is a:
  
  • Focused assessment
  • Extension of physical exam
• Seeks to answer:
  
  • Yes/no questions
• Qualitative
• Performed by:
  
  • Trained providers
• Read by:
  
  • Trained providers

Question 3

A-lines

Answer 3

• Appear as horizontal lines
• Indicate dry interlobular septa.
• A line predominance suggests that intravenous fluids may be safely given without concern for pulmonary edema

Question 4

B-lines

Answer 4

• White lines from the pleura to the bottom of the screen
• Highly sensitive for pulmonary edema, but can be present at low wedge pressures
• >3 is signifigant

Question 5

Consolidation

Answer 5

• Hyperechoic structures in hepatized lung
• Static vs dynamic