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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
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Microlearning as an Adjunct to a 4-Hour Hands-On POCUS Curriculum for Paramedics: A Pilot Study.

Ethan Zerpa1, Matthew Sanford2, Shiyuan Wang3

  • 1Department of Internal Medicine, Naval Medical Center Portsmouth, Portsmouth, VA 23708, United States.

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Microlearning effectively enhances paramedic training in point-of-care ultrasound (POCUS), improving knowledge and confidence. This accessible method is suitable for both civilian emergency medical services (EMS) and military medics.

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Area of Science:

  • Emergency Medicine
  • Medical Education
  • Ultrasound Technology

Background:

  • Pre-hospital point-of-care ultrasound (POCUS) use by paramedics is limited in the US, despite technological advancements making it a viable tool.
  • There is a lack of standardized educational curricula for pre-hospital POCUS training.
  • Microlearning presents a novel approach to overcome educational barriers in pre-hospital POCUS.

Purpose of the Study:

  • To evaluate microlearning as an alternative educational modality for teaching POCUS to paramedics.
  • To assess the impact of microlearning on paramedic knowledge, confidence, and attitudes towards POCUS.
  • To explore the adaptability of microlearning for military medics.

Main Methods:

  • A prospective cohort pilot study involving POCUS-naive paramedics from two suburban EMS agencies.
  • Comparison of traditional in-person instruction versus microlearning (daily 5-10 minute lessons via text) preceding a 4-hour POCUS session.
  • Evaluation of knowledge, confidence, and attitudes using pre/post-test assessments and surveys.

Main Results:

  • Paramedic knowledge significantly improved post-training (46% to 78%).
  • POCUS confidence, perceived usefulness, and positive impact showed significant increases.
  • Paramedics in the microlearning group scored higher on both pre- and post-tests, although not statistically significant.

Conclusions:

  • Microlearning can effectively complement traditional POCUS education for paramedics.
  • This customizable, low-cost intervention is deployable for various educational content in EMS and military settings.
  • Future research should focus on larger sample sizes, direct military engagement, and long-term knowledge retention.