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Related Experiment Video

Updated: Oct 2, 2025

Behavioral Determination of Stimulus Pair Discrimination of Auditory Acoustic and Electrical Stimuli Using a Classical Conditioning and Heart-rate Approach

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Published on: June 6, 2012

A Novel Task Trainer for Auricular Hematoma Repair.

Ryan Walsh¹, Tracy Fennessy¹, Emily Pauw¹

¹Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, USA.

|March 1, 2022

Summary

Emergency medicine residents improved confidence in auricular hematoma drainage using a novel, low-cost bell pepper task trainer. This accessible simulation tool enhances proficiency in a critical procedure, preventing ear deformity.

Keywords:

auricular hematoma auricular hematoma drainage emergency medicine emergency medicine procedural competency emergency medicine training task trainer

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Last Updated: Oct 2, 2025

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Area of Science:

Medical Education
Emergency Medicine
Surgical Simulation

Background:

Auricular hematoma drainage is a critical skill for emergency medicine (EM) providers.
Lack of proficiency can lead to permanent ear deformity.
Effective training methods are needed to improve resident competency.

Purpose of the Study:

To develop and evaluate a cost-effective task trainer for auricular hematoma drainage.
To enhance EM residents' skills in drainage and pressure dressing application.
To assess the impact of the trainer on resident confidence levels.

Main Methods:

A task trainer was created using a bell pepper.
The trainer was implemented in an EM simulation conference for 20 residents (PGY 1-3).
Pre- and post-simulation surveys assessed confidence levels using a 5-point Likert scale.

Main Results:

Pre-simulation confidence in auricular hematoma drainage was low (mean: 2.2, SD: 1.08).
Post-simulation confidence significantly increased (mean: 4.4, SD: 0.6).
The bell pepper task trainer was well-received by residents.

Conclusions:

A low-cost, easily created bell pepper task trainer effectively improves EM resident confidence and skill in auricular hematoma drainage.
This simulation tool is valuable for all levels of EM trainees.
Improved proficiency can prevent complications such as permanent ear deformity.