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subdermal 29 g needle electrodes  (ADInstruments)

 
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    ADInstruments subdermal 29 g needle electrodes
    PES setup. (A) Overview of the experimental setup composed of heating pad, subdermal 29 G needle <t>electrodes,</t> stimulus generator, amplifier and ECG cable. (B) Mouse under etomidate anaesthesia with subdermal 29 G needle electrodes inserted under the skin of all four extremities to record surface ECG using the IOX2 acquisition software. (C) Octopolar catheter tip showing the 8 rings, 4 of which are used for stimulating or recording intracardiac electrogram.
    Subdermal 29 G Needle Electrodes, supplied by ADInstruments, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/subdermal 29 g needle electrodes/product/ADInstruments
    Average 90 stars, based on 1 article reviews
    subdermal 29 g needle electrodes - by Bioz Stars, 2026-04
    90/100 stars

    Images

    1) Product Images from "Intracardiac electrophysiology to characterize susceptibility to ventricular arrhythmias in murine models"

    Article Title: Intracardiac electrophysiology to characterize susceptibility to ventricular arrhythmias in murine models

    Journal: Frontiers in Physiology

    doi: 10.3389/fphys.2024.1326663

    PES setup. (A) Overview of the experimental setup composed of heating pad, subdermal 29 G needle electrodes, stimulus generator, amplifier and ECG cable. (B) Mouse under etomidate anaesthesia with subdermal 29 G needle electrodes inserted under the skin of all four extremities to record surface ECG using the IOX2 acquisition software. (C) Octopolar catheter tip showing the 8 rings, 4 of which are used for stimulating or recording intracardiac electrogram.
    Figure Legend Snippet: PES setup. (A) Overview of the experimental setup composed of heating pad, subdermal 29 G needle electrodes, stimulus generator, amplifier and ECG cable. (B) Mouse under etomidate anaesthesia with subdermal 29 G needle electrodes inserted under the skin of all four extremities to record surface ECG using the IOX2 acquisition software. (C) Octopolar catheter tip showing the 8 rings, 4 of which are used for stimulating or recording intracardiac electrogram.

    Techniques Used: Software

    Acquisition and stimulation parameters set-up. (A) Intracardiac and surface ECG signals. IOX2 acquisition software is set to display surface ECG leads I and II in the 2 first channels and unipolar endocardial electrogram recorded from the catheter electrodes 1, 2, 3 and 4 respectively in the 4 following channels. In our system, ring 1 is the most distal electrode of the octopolar catheter. Correct position of the catheter within the right ventricle can be assessed by following the changes in the morphology of recorded intracardiac complexes (prominent ventricular electrical activity in ring 1 vs . prominent atrio-ventricular electrical activity in ring 4). (B) Determination of stimulation threshold. Upper panel: schematic representation of the protocol designed to assess the stimulation threshold of each mouse. Lower panel: corresponding surface ECG recording. In this example, the threshold is measured at 2,000 mV. The green star indicates a ventricular capture and the red star, an absence of capture. (C) Diagram of a standard ventricular arrhythmia induction protocol. First, 20 S1 stimuli are delivered (interval X1 = 70% basal RR), followed by the delivery of S2 starting at X1 -30 ms and decreasing in 2 ms steps to measure VERP1. S2 is followed by S3 (interval X3 starting at VERP1 +20 ms). Extrastimuli are delivered in a similar way until S5, delivered to obtain VERP4.
    Figure Legend Snippet: Acquisition and stimulation parameters set-up. (A) Intracardiac and surface ECG signals. IOX2 acquisition software is set to display surface ECG leads I and II in the 2 first channels and unipolar endocardial electrogram recorded from the catheter electrodes 1, 2, 3 and 4 respectively in the 4 following channels. In our system, ring 1 is the most distal electrode of the octopolar catheter. Correct position of the catheter within the right ventricle can be assessed by following the changes in the morphology of recorded intracardiac complexes (prominent ventricular electrical activity in ring 1 vs . prominent atrio-ventricular electrical activity in ring 4). (B) Determination of stimulation threshold. Upper panel: schematic representation of the protocol designed to assess the stimulation threshold of each mouse. Lower panel: corresponding surface ECG recording. In this example, the threshold is measured at 2,000 mV. The green star indicates a ventricular capture and the red star, an absence of capture. (C) Diagram of a standard ventricular arrhythmia induction protocol. First, 20 S1 stimuli are delivered (interval X1 = 70% basal RR), followed by the delivery of S2 starting at X1 -30 ms and decreasing in 2 ms steps to measure VERP1. S2 is followed by S3 (interval X3 starting at VERP1 +20 ms). Extrastimuli are delivered in a similar way until S5, delivered to obtain VERP4.

    Techniques Used: Software, Activity Assay, Capture-C



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    PES setup. (A) Overview of the experimental setup composed of heating pad, subdermal 29 G needle <t>electrodes,</t> stimulus generator, amplifier and ECG cable. (B) Mouse under etomidate anaesthesia with subdermal 29 G needle electrodes inserted under the skin of all four extremities to record surface ECG using the IOX2 acquisition software. (C) Octopolar catheter tip showing the 8 rings, 4 of which are used for stimulating or recording intracardiac electrogram.
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    Image Search Results


    PES setup. (A) Overview of the experimental setup composed of heating pad, subdermal 29 G needle electrodes, stimulus generator, amplifier and ECG cable. (B) Mouse under etomidate anaesthesia with subdermal 29 G needle electrodes inserted under the skin of all four extremities to record surface ECG using the IOX2 acquisition software. (C) Octopolar catheter tip showing the 8 rings, 4 of which are used for stimulating or recording intracardiac electrogram.

    Journal: Frontiers in Physiology

    Article Title: Intracardiac electrophysiology to characterize susceptibility to ventricular arrhythmias in murine models

    doi: 10.3389/fphys.2024.1326663

    Figure Lengend Snippet: PES setup. (A) Overview of the experimental setup composed of heating pad, subdermal 29 G needle electrodes, stimulus generator, amplifier and ECG cable. (B) Mouse under etomidate anaesthesia with subdermal 29 G needle electrodes inserted under the skin of all four extremities to record surface ECG using the IOX2 acquisition software. (C) Octopolar catheter tip showing the 8 rings, 4 of which are used for stimulating or recording intracardiac electrogram.

    Article Snippet: • Subdermal 29 G needle electrodes (ADINSTRUMENTS, New Zealand) • ECG cable: cable with five extensions for 4 recording electrodes and 1 reference electrode (emka TECHNOLOGIES, France) • IOX analog-digital converter (emka TECHNOLOGIES, France) • IOX2 acquisition software (emka TECHNOLOGIES, France) • ecgAUTO analysis software (emka TECHNOLOGIES, France)

    Techniques: Software

    Acquisition and stimulation parameters set-up. (A) Intracardiac and surface ECG signals. IOX2 acquisition software is set to display surface ECG leads I and II in the 2 first channels and unipolar endocardial electrogram recorded from the catheter electrodes 1, 2, 3 and 4 respectively in the 4 following channels. In our system, ring 1 is the most distal electrode of the octopolar catheter. Correct position of the catheter within the right ventricle can be assessed by following the changes in the morphology of recorded intracardiac complexes (prominent ventricular electrical activity in ring 1 vs . prominent atrio-ventricular electrical activity in ring 4). (B) Determination of stimulation threshold. Upper panel: schematic representation of the protocol designed to assess the stimulation threshold of each mouse. Lower panel: corresponding surface ECG recording. In this example, the threshold is measured at 2,000 mV. The green star indicates a ventricular capture and the red star, an absence of capture. (C) Diagram of a standard ventricular arrhythmia induction protocol. First, 20 S1 stimuli are delivered (interval X1 = 70% basal RR), followed by the delivery of S2 starting at X1 -30 ms and decreasing in 2 ms steps to measure VERP1. S2 is followed by S3 (interval X3 starting at VERP1 +20 ms). Extrastimuli are delivered in a similar way until S5, delivered to obtain VERP4.

    Journal: Frontiers in Physiology

    Article Title: Intracardiac electrophysiology to characterize susceptibility to ventricular arrhythmias in murine models

    doi: 10.3389/fphys.2024.1326663

    Figure Lengend Snippet: Acquisition and stimulation parameters set-up. (A) Intracardiac and surface ECG signals. IOX2 acquisition software is set to display surface ECG leads I and II in the 2 first channels and unipolar endocardial electrogram recorded from the catheter electrodes 1, 2, 3 and 4 respectively in the 4 following channels. In our system, ring 1 is the most distal electrode of the octopolar catheter. Correct position of the catheter within the right ventricle can be assessed by following the changes in the morphology of recorded intracardiac complexes (prominent ventricular electrical activity in ring 1 vs . prominent atrio-ventricular electrical activity in ring 4). (B) Determination of stimulation threshold. Upper panel: schematic representation of the protocol designed to assess the stimulation threshold of each mouse. Lower panel: corresponding surface ECG recording. In this example, the threshold is measured at 2,000 mV. The green star indicates a ventricular capture and the red star, an absence of capture. (C) Diagram of a standard ventricular arrhythmia induction protocol. First, 20 S1 stimuli are delivered (interval X1 = 70% basal RR), followed by the delivery of S2 starting at X1 -30 ms and decreasing in 2 ms steps to measure VERP1. S2 is followed by S3 (interval X3 starting at VERP1 +20 ms). Extrastimuli are delivered in a similar way until S5, delivered to obtain VERP4.

    Article Snippet: • Subdermal 29 G needle electrodes (ADINSTRUMENTS, New Zealand) • ECG cable: cable with five extensions for 4 recording electrodes and 1 reference electrode (emka TECHNOLOGIES, France) • IOX analog-digital converter (emka TECHNOLOGIES, France) • IOX2 acquisition software (emka TECHNOLOGIES, France) • ecgAUTO analysis software (emka TECHNOLOGIES, France)

    Techniques: Software, Activity Assay, Capture-C

    PES setup. (A) Overview of the experimental setup composed of heating pad, subdermal 29 G needle electrodes, stimulus generator, amplifier and ECG cable. (B) Mouse under etomidate anaesthesia with subdermal 29 G needle electrodes inserted under the skin of all four extremities to record surface ECG using the IOX2 acquisition software. (C) Octopolar catheter tip showing the 8 rings, 4 of which are used for stimulating or recording intracardiac electrogram.

    Journal: Frontiers in Physiology

    Article Title: Intracardiac electrophysiology to characterize susceptibility to ventricular arrhythmias in murine models

    doi: 10.3389/fphys.2024.1326663

    Figure Lengend Snippet: PES setup. (A) Overview of the experimental setup composed of heating pad, subdermal 29 G needle electrodes, stimulus generator, amplifier and ECG cable. (B) Mouse under etomidate anaesthesia with subdermal 29 G needle electrodes inserted under the skin of all four extremities to record surface ECG using the IOX2 acquisition software. (C) Octopolar catheter tip showing the 8 rings, 4 of which are used for stimulating or recording intracardiac electrogram.

    Article Snippet: • Subdermal 29 G needle electrodes (ADINSTRUMENTS, New Zealand) • ECG cable: cable with five extensions for 4 recording electrodes and 1 reference electrode (emka TECHNOLOGIES, France) • IOX analog-digital converter (emka TECHNOLOGIES, France) • IOX2 acquisition software (emka TECHNOLOGIES, France) • ecgAUTO analysis software (emka TECHNOLOGIES, France)

    Techniques: Software