Ultrasound: Lungs: Difference between revisions
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==See Also== | ==See Also== | ||
*[[Ultrasound (Main)]] | |||
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[[Category:Pulm]] | [[Category:Pulm]] |
Revision as of 01:07, 27 September 2013
Pulmonary edema
- A lines and B lines
- A lines:
- Appear as horizontal lines
- Indicate dry interlobular septa.
- Predominance of A lines has 90% sensitivity, 67% specificity for pulmonary artery wedge pressure <= 13mm Hg
- A line predominance suggests that intravenous fluids may be safely given without concern for pulmonary edema
- B lines ("comets"):
- White lines from the pleura to the bottom of the screen
- Highly sensitive for pulmonary edema, but can be present at low wedge pressures
- A lines: