DSI Intracardiac ECG

Significantly Reduce Muscle Noise and Movement Artifact

Virtually eliminate muscle noise and movement artifact from large animal ECG signals by monitoring ECG from within the heart. Intracardiac ECG can be acquired by implanting a custom biopolar lead into the right ventricle of the heart.

The jugular vein provides an access point for advancing the lead through the superior vena cava and into the right ventricle. The lead electrodes are spaced to provide a signal that resembles a lead II morphology.* DSI's large animal transmitters are offered with an adaptor to accommodate the intracardiac lead and transmit the data telemetrically.

The resulting signal can be analyzed using automated ECG scoring software such as Ponemah P3P.

Key Benefits

  • More useable/analyzable data compared with subcutaneous ECG
    • Very little movement artifact and morphology changes
    • Higher signal to noise ratio
  • Greater statistical power
    • Well-defined waveform features
    • Improved interval detection
    • Consistent results
  • Minimally invasive procedure
    • No need for a thoracotomy
  • Proven methodology
    • Similar technique used in cardiac pacing which has been performed in millions of human patients

Product Features

  • Intracardiac (IC-1) adaptor integrated to D70-PCT, D70-CCTP, and D70-PCTP new or exchanged transmitters
  • Low profile adaptor to accommodate subcutaneous or intraperitoneal placement
  • Electrode spacing designed to achieve a morphology similar to lead II
  • High quality, human-grade materials and design
IC-1 Lead Specifications
Part Number Diameter Length Electrode Spacing Fixation Intended Species
276-0046-445 4.7Fr
(1.56mm)
45cm 4cm Passive Primates,
Small dogs
276-0046-660 4.7Fr
(1.56mm)
60cm 6cm Passive Dogs,
Minipigs

Other lead configurations may become available. Specifications are subject to change.

Transmitters with Integrated IC-1 Adaptor
Part Number Model Name Parameters
270-1093-835 D70-PCT-IC Pressure, intracardiac ECG, temperature
270-1126-835 D70-PCTP-IC 2 pressure, intracardiac ECG, temperature
270-1136-835 D70-CCTP-IC Pressure, intracardiac ECG, biopotential, temperature

*Disclaimer: Variations in the ECG morphology may result due to lead positioning, dislodgement or repositioning of the IC lead, and anatomical differences between subjects. Please see corresponding Technical Note for preventing lead dislodgement and optimizing the lead placement.

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Data Sample from Subcutaneous and Intracardiac ECG Lead.* Simultaneous subcutaneous and intracardiac ECG lead placement in a conscious primate. Courtesy of MPI Research.

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Intracardiac ECG Lead Placement.

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Canine Intracardiac ECG*

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IC-1 Lead available in two lengths: 45cm or 60 cm.

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Transmitter with Integrated IC-1 Adaptor (shown with lead connected).

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