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Related Concept Videos

Non-ohmic Devices00:51

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In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
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Related Experiment Video

Updated: Feb 3, 2026

Isolating and Imaging Live, Intact Pacemaker Regions of Mouse Renal Pelvis by Vibratome Sectioning
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Isolating and Imaging Live, Intact Pacemaker Regions of Mouse Renal Pelvis by Vibratome Sectioning

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[New Innovative Pacemaker Devices - Leadless Pacemaker, Subcutaneous ICD].

Andreas Napp, Sebastian Reith

    Deutsche Medizinische Wochenschrift (1946)
    |October 31, 2018
    PubMed
    Summary
    This summary is machine-generated.

    Leadless pacemakers and subcutaneous implantable cardioverter-defibrillators (ICDs) offer solutions to traditional device-related issues. These innovative therapies avoid complications associated with transvenous leads and pockets.

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    Area of Science:

    • Cardiology
    • Biomedical Engineering
    • Medical Devices

    Background:

    • Transvenous pacemaker and ICD systems are linked to lead and pocket complications.
    • Innovative leadless pacing and subcutaneous ICD (S-ICD) therapies address these limitations.

    Purpose of the Study:

    • To review the current advancements in leadless pacing and S-ICD therapies.
    • To highlight their potential as alternatives to conventional device implantation.

    Main Methods:

    • Review of existing literature on leadless pacemaker systems (Nanostim™, Micra™).
    • Analysis of S-ICD as an alternative for sudden cardiac death prevention.
    • Discussion of emerging multicomponent leadless pacemakers and combined therapies.

    Main Results:

    • Two leadless pacemaker systems (Nanostim™, Micra™) are available for ventricular pacing.
    • S-ICD provides an alternative to transvenous ICDs for primary and secondary prevention.
    • Future developments include multicomponent leadless pacemakers and combined leadless pacemaker/S-ICD systems.

    Conclusions:

    • Leadless pacing and S-ICD therapies represent significant progress in cardiac device technology.
    • These innovative approaches offer promising solutions to mitigate complications associated with conventional pacemakers and ICDs.
    • Future research and development are focused on further enhancing these leadless and subcutaneous systems.