FujiFilm SonoSite X-Porte User Manual page 87

When using the Centerline feature as a reference during a freehand procedure, be aware that the centerline
represents only the center of the ultrasound image and is not an accurate predictor of the path the needle
will take.
Ensure orientation
marks on the screen
and transducer are
on the same side
Figure 4-1 Relationship of the centerline graphic to the transducer and the ultrasound image.
Small tilts or rotations of the transducer can affect the relationship between any external reference points
and the anatomy that appears on the ultrasound image.
Figure 4-2 Relationship of the ultrasound image to the transducer angle or tilt.
Related topics
Imaging
Scan plane
Centerline
Anatomical
feature
4-11