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Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...

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用于指尖心电图信号采集的PDMS-银墨干电极:开发和评估

Teresa M C Pereira, Raquel C Conceicao, Vitor Sencadas

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 3, 2025
    PubMed
    概括

    使用聚甲基 (PDMS) 和银墨的新型固态电极提供舒适,高质量的心电图 (ECG) 信号采集. 这些实用的电极为生物医学应用中传统的湿电极提供了用户友好的替代方案.

    科学领域:

    • 生物医学工程 生物医学工程
    • 材料科学 材料科学 材料科学

    背景情况:

    • 高质量的心电图 (ECG) 信号采集对于生物医学应用至关重要.
    • 传统的银/银化物 (Ag/AgCl) 湿电极在用户舒适性,长期可穿戴性和应用简单性方面存在挑战.

    研究的目的:

    • 开发和评估用于ECG信号采集的新型固态电极.
    • 评估这些电极的性能,特别是指指测量.
    • 为了比较它们与传统的Ag/AgCl电极的有效性.

    主要方法:

    • 使用聚二甲基 (PDMS) 基板和银墨导电层制造固态电极.
    • 使用手指上开发的电极对心电图信号采集的评估.
    • 与传统的Ag/AgCl电极获得的信号进行比较分析.
    • 动态时间扭曲的应用用于信号同步和比较.

    主要成果:

    • 开发的PDMS-银色墨水电极成功获得了高质量的心电图信号.
    • 观察到一致的波形和最小的信号扭曲,即使没有导电凝或参考电极.
    • 动态时间扭曲证实了新电极和传统电极信号之间的相似性.
    • 新型电极显示出更好的舒适性,可重复使用性和生物相容性.

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    结论:

    • 开发的固态PDMS-银色墨水电极为ECG监测提供了一个有希望的,舒适和用户友好的替代传统湿电极.
    • 这些电极具有各种生物医学应用的潜力,包括将来集成到生物识别系统中.