top of page

Ultrasound for Epidurals
-
Position as for central neuraxial insertion
-
Use curved probe
-
Identify sacrum and appropriate interspace in paramedian sagittal oblique (PSO) plane
-
Anterior complex = vertebral body, posterior longitudinal ligament and anterior dura
-
Posterior complex = ligamentum flavum, epidural space and posterior dura
-
Mark the horizontal evel
-
Switch to transverse plane and identify "bat-wing" sign
-
Mark midline
-
Measure depth to LF using calipers
bottom of page