Ultrasound: Lungs: Difference between revisions
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==Pulmonary edema== | ==Pulmonary edema== | ||
*A lines and B lines | *A lines and B lines | ||
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***White lines from the pleura to the bottom of the screen | ***White lines from the pleura to the bottom of the screen | ||
***Highly sensitive for pulmonary edema, but can be present at low wedge pressures | ***Highly sensitive for pulmonary edema, but can be present at low wedge pressures | ||
==See Also== | |||
[[Category:Rads]] | |||
[[Category:Pulm]] | |||
Revision as of 01:06, 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: