Perceptions of Medical Students on Point-of-Care Ultrasound Devices
This study evaluates medical students' perceptions of SonoSite Edge II and Butterfly iQ ultrasound devices for enhancing learning experiences in ultrasound and medicine. The research involved first-year medical students using both devices and providing feedback through pre- and post-session surveys. Results indicate a positive shift in students' agreement on the effectiveness of ultrasound in clinical teaching settings. Additionally, the study highlights students' comfort levels and overall satisfaction with the design and user experience of the devices.
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Advancing Medical Education with Point-of-Care Ultrasound Devices: Medical Student Perceptions Kenneth Leung, M.S. Medical Student (MS2) khleung2@Illinois.edu Olivia Coiado, Ph.D. Teaching Assistant Professor and Medical Education Facilitator coiado@Illinois.edu
Background SonoSite Edge II is a portable ultrasound imaging device utilizing traditional piezoelectric crystals. Price: ~$20k-$30k. Butterfly iQ probe is a point-of-care ultrasound probe that connects to an iPad or iPhone, utilizing CMUT (capacitive micromachined ultrasonic transducer) technology. Price: ~$2000. Both devices are used for clinical diagnosis and in ultrasound education. https://www.sonosite.com/products/sonosite-edge-ii Aim: to assess students perception of the 2 devices to identify how students learning experiences in ultrasound and medicine can be enhanced https://www.butterflynetwork.com
Method 32 first-year medical students utilized both SonoSite Edge II and Butterfly iQ (connected to an iPad Mini) to complete their first hands-on training session. Pre- and post-session surveys were administered.
Results To what extent do you agree with this statement Ultrasound can enhance teaching effectiveness in a clinical setting Pre-session Post-session 20 20 20 17 15 15 15 # of Students # of Students 10 10 7 5 5 5 0 0 0 0 0 0 0 Strongly Disagree 1 Disagree 2 Neutral 3 Agree 4 Strongly Agree 5 Strongly Disagree 1 Disagree 2 Neutral 3 Agree 4 Strongly Agree 5 Pre-session Likert scale average: 3.9 Post-session Likert scale average: 4.5
Results (Pre-session) How many hours of experience do you have scanning with SonoSite Edge II Butterfly iQ 32 30 30 26 25 25 # of Students # of Students 20 20 15 15 10 10 5 5 2 2 1 1 0 0 0 1 2 3 4 0 1 2 3 4 Hours Hours Students overall had little to no experience with either ultrasound imaging devices, so a fair comparison can be made.
Results (Post-session) How would you rate yourcomfort operating SonoSite Edge II Butterfly iQ 15 15 15 14 14 14 # of Students # of Students 10 10 5 5 4 2 1 0 0 0 0 0 Very Poor 1 Poor 2 Neutral 3 Good 4 Very Good 5 Very Poor 1 Poor 2 Neutral 3 Good 4 Very Good 5 Likert scale average: 3.6 Average: 3.7
Results (Post-session) How do you rate the overall design and user experience of SonoSite Edge II Butterfly iQ 19 20 20 16 15 15 # of Students # of Students 9 10 10 6 6 6 5 5 1 1 0 0 0 0 Very Poor 1 Poor 2 Neutral 3 Good 4 Very Good 5 Very Poor 1 Poor 2 Neutral 3 Good 4 Very Good 5 Likert scale average: 3.9 Average: 3.8
Results (Post-session) How do you rate the image qualityof SonoSite Edge II Butterfly iQ 20 20 20 16 15 15 # of Students # of Students 11 10 10 8 4 5 5 3 1 1 0 0 0 0 Very Poor 1 Poor 2 Neutral 3 Good 4 Very Good 5 Very Poor 1 Poor 2 Neutral 3 Good 4 Very Good 5 Likert scale average: 4.1 Average: 3.4
Results (Post-session) Which device was easier to use(operation & interpretation)? Why? 15 15 SonoSite Edge II: Clearer images and better signal-to-noise Doppler mode worked better Buttons were easier to switch between modes 13 # of Students 10 Butterfly iQ: More intuitive, user-friendly UI Touch screen Easier to adjust settings 5 4 0 SonoSite Edge II Butterfly iQ Both are similar
Conclusions Students preferred SonoSite Edge II s image quality over Butterfly iQ s, but comfort of operation and overall design and user experience between the 2 ultrasound imaging devices were similar (rated between good and neutral). 100% of first year medical students agree or strongly agree that ultrasound can enhance teaching effectiveness in a clinical setting. Next Steps: Goal to implement point-of-care ultrasound utilization and education at the Carle Illinois Clinic a family medicine outpatient clinic where second-year medical students are the patients primary caregivers. @kennyhleung 949-439-3588 khleung2@Illinois.edu
