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Related Concept Videos

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.
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Electrocardiogram01:29

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An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
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Related Experiment Video

Updated: Jan 9, 2026

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

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Noninvasive Cardiac Electrical Activity Mapping Systems: Current Available Options.

Andrea Ballatore1,2, Andrea Saglietto1,2, Elena Cavallone1,2

  • 1Division of Cardiology, Cardiovascular and Thoracic Department, "Città della Salute e della Scienza" Hospital, 10126 Turin, Italy.

Reviews in Cardiovascular Medicine
|December 8, 2025
PubMed
Summary
This summary is machine-generated.

Electrocardiographic imaging (ECGi) is a noninvasive heart mapping technique. It identifies arrhythmia drivers and aids in planning treatments like radioablation for ventricular tachycardia (VT).

Keywords:
ECGiSTARnoninvasive mappingstereotactic radiation ablationventricular tachycardia

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Electrophysiology

Background:

  • Electrocardiographic imaging (ECGi) is an innovative noninvasive mapping technique.
  • ECGi identifies cardiac activation points, rotors, and high-frequency domains in arrhythmias.
  • It is primarily used for ventricular tachycardia (VT) management and macro-reentrant arrhythmias.

Purpose of the Study:

  • To review commercially available noninvasive ECG mapping systems.
  • To highlight key features and limitations of these systems.
  • To discuss the role of ECGi in planning stereotactic arrhythmia radioablation for VT.

Main Methods:

  • Review of commercially available ECGi systems: Amycard, CardioInsight, VIVO, Acorys, and vMAP.
  • Analysis of ECGi's capabilities in identifying arrhythmogenic substrates.
  • Evaluation of ECGi's utility in noninvasive treatment planning.

Main Results:

  • ECGi effectively identifies earliest activation sites in focal arrhythmias.
  • It assists in outlining re-entry circuits and myocardial exit sites for macro-reentrant arrhythmias.
  • ECGi aids in detecting myocardial scars and critical isthmuses for VT ablation planning.

Conclusions:

  • ECGi is a valuable noninvasive tool for arrhythmia mapping and management.
  • It offers a noninvasive alternative for planning VT radioablation when invasive mapping is not feasible.
  • Further research focuses on ECGi's role in scar detection and critical isthmus identification.