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Pulse rhythm01:30

Pulse rhythm

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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
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Related Experiment Video

Updated: Jun 23, 2025

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

468

Repositioning of the Insertable Cardiac Monitor Through the Same Incision to Avoid T-wave Oversensing.

Shaden Daloub1, Alhasan S Alzubi2, Khalid Abozguia3

  • 1Internal Medicine, Marshall University Joan C. Edwards School of Medicine, Huntington, USA.

Cureus
|June 21, 2024
PubMed
Summary

A novel repositioning technique for insertable cardiac monitors (ICMs) effectively resolved T-wave oversensing, a common issue causing false positives in heart rhythm monitoring. This non-invasive adjustment improved diagnostic accuracy without requiring additional procedures.

Keywords:
icmimplantable loop recordersinsertable cardiac monitorsyncopal episodest-wave oversensing

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Area of Science:

  • Cardiology
  • Medical Devices

Background:

  • Insertable cardiac monitors (ICMs) are crucial for long-term heart rhythm monitoring, aiding in diagnosing arrhythmias and syncopal episodes.
  • A significant challenge with ICMs is T-wave oversensing, which can lead to inaccurate data and false positive alerts due to their subcutaneous placement.

Observation:

  • This case report details a 38-year-old female experiencing recurrent syncope who underwent ICM implantation.
  • Post-implantation, T-wave oversensing was detected, necessitating an intervention.

Findings:

  • A non-invasive repositioning of the ICM by angling it 45 degrees towards the right side of the heart through the existing incision successfully eliminated T-wave oversensing.
  • This method resolved the diagnostic issue without complications, avoiding the need for reoperation or a new incision.

Implications:

  • Repositioning ICMs offers a simple, non-invasive solution to mitigate T-wave oversensing, potentially enhancing diagnostic accuracy and patient outcomes.
  • This technique may serve as a valuable alternative to more invasive adjustments, warranting further investigation for broader clinical application.