Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | |||
| ocular_ultrasound_exam_techniques [2025/10/14 19:12] – Scott Larson | ocular_ultrasound_exam_techniques [2025/10/14 22:26] (current) – Scott Larson | ||
|---|---|---|---|
| Line 1: | Line 1: | ||
| ====== Ocular Ultrasound Exam Techniques ====== | ====== Ocular Ultrasound Exam Techniques ====== | ||
| FIXME | FIXME | ||
| + | =====B-Scan===== | ||
| ====Three probe positions==== | ====Three probe positions==== | ||
| - | |||
| **Transverse scan**: probe marker oriented either vertically or nasally (depending on position on globe- should always see nerve at the start i.e. when looking at nasal retina probe should be vertically oriented), held at superior, inferior, medial and lateral and rotated as far anterior as possible looking at opposite side of eye | **Transverse scan**: probe marker oriented either vertically or nasally (depending on position on globe- should always see nerve at the start i.e. when looking at nasal retina probe should be vertically oriented), held at superior, inferior, medial and lateral and rotated as far anterior as possible looking at opposite side of eye | ||
| - | |||
| **Longitudinal scan**: probe marker always pointing at the limbus, described in clock hours where the top of the image is oriented: 9 o' | **Longitudinal scan**: probe marker always pointing at the limbus, described in clock hours where the top of the image is oriented: 9 o' | ||
| - | |||
| **Axial scan**: probe on center of eye, vertical and horizontal images | **Axial scan**: probe on center of eye, vertical and horizontal images | ||
| - | + | ====Sequence of Exam==== | |
| - | ====B-Scan | + | |
| - Survey 4 quadrants with transverse probe position | - Survey 4 quadrants with transverse probe position | ||
| - Superior quadrant scan using horizontal transverse probe position | - Superior quadrant scan using horizontal transverse probe position | ||
| Line 38: | Line 35: | ||
| - If the optic nerve is in the image, the macula is not visible. | - If the optic nerve is in the image, the macula is not visible. | ||
| - | ====A-Scan | + | =====A-Scan===== |