Page 101 - JSOM Fall 2025

SUPPLEMENTAL FIGURE 1 Participant performance questionnaire score.
Participant Performance Questionnaire Score
Vascular ultrasound performance
Participant number:
1. Do you already have experience with ultrasound? If yes, please specify what and how?

2. Overall, I considered preparing the Philips Lumify probe and software for imaging to be:
a. Very easy
b. Easy
c. Neutral
d. Challenging
e. Very challenging
3. Overall, I considered obtaining a clear view of the inferior vena cava:
a. Very easy
b. Easy
c. Neutral
d. Challenging
e. Very challenging
4. Overall, I considered obtaining a clear view of the popliteal vein:
a. Very easy
b. Easy
c. Neutral
d. Challenging
e. Very challenging
5. It was challenging to distinguish the vein from the artery:
a. Strongly disagree
b. Disagree
c. Neutral
d. Agree
e. Strongly agree
6. I feel confident using ultrasound vascular imaging on the waterside:
a. Strongly disagree
b. Disagree
c. Neutral
d. Agree
e. Strongly agree
7. Would you perform ultrasound vascular imaging on your dive buddy on the waterside if it was considered the best tool to determine decom-
pression stress? Why (not)?

SUPPLEMENTAL FIGURE 2 Histogram of results as scored by the observing vascular surgeons (A) and participants (B and C).

Feasibility of Vascular Ultrasonography by SOF Medics | 99