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Point-of-Care Lung Ultrasound in Adults: Image Acquisition
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Time Isn't your FoCUS, do cardiac POCUS!

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  • 1Prisma Health - Upstate Department of Emergency Medicine, Greenville, SC, USA; University of South Carolina School of Medicine - Greenville, Greenville, SC, USA.

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Summary

Performing a focused cardiac ultrasound (FoCUS) exam takes emergency medicine physicians an average of 3.4 minutes. This study found that exam time decreases with residency training, suggesting time is not a barrier to FoCUS use.

Keywords:
Emergency departmentEmergency medicineFOCUSPOCUSPoint of care ultrasound

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Area of Science:

  • Emergency Medicine
  • Point-of-Care Ultrasound
  • Cardiac Imaging

Background:

  • Physicians frequently identify time constraints as a barrier to performing focused cardiac ultrasound (FoCUS) exams.
  • This study aimed to quantify the time required for a quality FoCUS examination.
  • Investigated time variations across different levels of physician training.

Purpose of the Study:

  • To determine the average time needed to complete a quality FoCUS exam.
  • To analyze differences in FoCUS exam completion times among various emergency medicine training levels.
  • To assess whether time is a significant limitation for FoCUS adoption in emergency medicine.

Main Methods:

  • Evaluated 600 FoCUS exams performed by emergency medicine residents, fellows, and attending physicians.
  • Measured FoCUS exam time as the interval between the first and last image acquisition.
  • Employed statistical analyses including chi-square, t-tests, ANOVA, and linear regression.

Main Results:

  • The average FoCUS exam duration across all participants was 3.4 minutes.
  • Attending physicians completed exams in 3.1 minutes, while residents took 3.8 minutes on average.
  • Significant time reduction observed during residency, with PGY3 residents averaging 2.8 minutes (p ≤ 0.0001).

Conclusions:

  • Quality FoCUS exams are achievable within approximately 3.4 minutes by emergency medicine physicians.
  • FoCUS exam completion time decreases with increasing residency training level.
  • The time required for a quality FoCUS exam should not be considered a limitation for its clinical application.