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BACKGROUND: Central venous access and nerve blockade are essential skills in the practice of emergency medicine, and the utility of emergency ultrasound to guide these procedures has been well demonstrated. METHODS: A phantom is a valuable tool to learn and develop the dexterity for ultrasound-guided techniques. RESULTS: To date, the time and cost required to produce or purchase such models has somewhat limited their use. CONCLUSION: A time- and cost-effective alternative using polony and common household items is presented.
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Wells et al. (2010) studied this question.
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