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Related Experiment Video

Updated: Feb 4, 2026

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings
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Rapid fluid administration: an evaluation of two techniques.

Holly C Gillis1, Hina Walia2, Dmitry Tumin2,3

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Medical Devices (Auckland, N.Z.)
|October 2, 2018
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Summary

The LifeFlow Rapid Infuser significantly decreases fluid administration time compared to traditional methods in simulated trauma care. However, it did not improve provider subjective experience and increased fatigue.

Keywords:
Crystalloid SolutionsHemodynamicsResuscitationShockTrauma

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Area of Science:

  • Emergency medicine
  • Medical device technology
  • Patient resuscitation

Background:

  • Rapid fluid administration is critical for treating shock and trauma patients.
  • Various devices exist to expedite fluid delivery, but their impact on user experience is understudied.
  • Evaluating novel devices against traditional methods is essential for optimizing emergency care.

Purpose of the Study:

  • To compare the fluid administration time and provider subjective experience between the LifeFlow Rapid Infuser and the traditional push-pull syringe method.
  • To assess the impact of these devices on physical demand, effort, pain, and fatigue.

Main Methods:

  • A prospective, simulated study compared the LifeFlow device and push-pull syringe for administering 500 mL of crystalloid.
  • Ten paired trials were conducted for each of three IV catheter gauges (18, 20, 22).
  • Administration times were compared using paired t-tests, and subjective experiences were assessed using visual analog scales.

Main Results:

  • LifeFlow significantly reduced fluid administration time compared to the push-pull method across all tested catheter sizes (e.g., 18-gauge: 2.5 vs. 3.8 minutes, P<0.001).
  • No improvements in subjective experience were observed with the LifeFlow device.
  • Increased physical demand and fatigue were reported with LifeFlow, particularly with smaller gauge catheters.

Conclusions:

  • The LifeFlow Rapid Infuser offers a faster method for fluid administration in simulated emergency scenarios.
  • Despite increased speed, the LifeFlow device did not enhance the subjective provider experience and may increase physical burden.