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Related Concept Videos

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System10:17

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This study introduces a novel approach for real-time cardiac mapping using a noninvasive, imageless electrocardiographic imaging system. This system enables the acquisition of electrophysiological cardiac maps without requiring pre-procedural computed tomography or magnetic resonance imaging scans, enabling efficient guidance for cardiac procedures such as ablation and cardiac resynchronization therapy implants.
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Quantitative Mapping of Specific Ventilation in the Human Lung using Proton Magnetic Resonance Imaging and Oxygen as a Contrast Agent08:26

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Specific ventilation imaging is a functional magnetic resonance imaging technique that allows for quantification of regional specific ventilation in the human lung, using inhaled oxygen as a contrast agent. Here, we present a protocol to collect and analyze specific ventilation imaging...
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Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation08:10

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The atrial function is associated with the strain and strain rate. The cardiac magnetic resonance feature tracking (CMR-FT) technique was used in this study to quantify left and right atrial global and segmental longitudinal strain and strain rate in individuals with paroxysmal atrial...
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Motor Maps11:03

Motor Maps

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Source: Laboratories of Jonas T. Kaplan and Sarah I. Gimbel—University of Southern California
One principle of brain organization is the topographic mapping of information. Especially in sensory and motor cortices, adjacent regions of the brain tend to represent information from adjacent parts of the body, resulting in maps of the body expressed on the surface of the brain. The primary sensory and motor maps in the brain surround a prominent sulcus known as the central sulcus. The cortex...
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Quantitative Susceptibility Mapping of a Human Brain Using Ex-Vivo Magnetic Resonance Imaging01:09

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Quantitative susceptibility mapping, or QSM, quantifies the magnetic susceptibility of brain tissue, which reflects its cellular composition, like myelin content.Begin by acquiring ex-vivo magnetic resonance imaging or MRI data of a fixed human brain hemisphere.Use 3D gradient magnetic fields to magnetize the tissue and collect signals at multiple time points or echoes to reduce background noise and artifacts and enhance the signals.Generate phase maps for all echoes, ensuring the removal of...
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Fate Mapping06:58

Fate Mapping

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Fate mapping is a technique used to understand how embryonic cells divide, differentiate, and migrate during development. In classic fate mapping experiments, cells in different areas of an embryo are labeled with a chemical dye and then tracked to determine which tissues or structures they form. Technological improvements now allow for individual cells to be marked and traced throughout embryonic development and adulthood.
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Related Experiment Video

Updated: Jan 20, 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

Published on: April 11, 2025

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Mapping and Imaging in Non-paroxysmal AF.

Michael Ghannam1, Hakan Oral1

  • 1Cardiac Arrhythmia Service, Division of Cardiovascular Medicine, University of Michigan Ann Arbor, MI, US.

Arrhythmia & Electrophysiology Review
|August 30, 2019
PubMed
Summary

Maintaining sinus rhythm in non-paroxysmal atrial fibrillation (AF) is difficult. This review examines advanced imaging and mapping techniques to improve catheter ablation outcomes for AF patients.

Keywords:
AFatrial imagingatrial mappingcardiac MRIcatheter ablationcomputed tomography

More Related Videos

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Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
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Related Experiment Videos

Last Updated: Jan 20, 2026

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
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Quantitative Mapping of Specific Ventilation in the Human Lung using Proton Magnetic Resonance Imaging and Oxygen as a Contrast Agent
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Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
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Area of Science:

  • Cardiology
  • Medical Imaging
  • Electrophysiology

Background:

  • Non-paroxysmal atrial fibrillation (AF) management remains challenging, with current ablation treatments yielding suboptimal outcomes.
  • Incomplete understanding of AF pathophysiology limits treatment success.
  • Advances in imaging and mapping tools show promise for improving ablation outcomes.

Purpose of the Study:

  • To review current imaging and mapping techniques for non-paroxysmal AF.
  • To focus on the relevance of these techniques to catheter ablation.
  • To discuss future applications and research opportunities.

Main Methods:

  • Literature review of current imaging and mapping techniques.
  • Analysis of their application in non-paroxysmal AF management.
  • Focus on relevance to catheter ablation procedures.

Main Results:

  • Current imaging and mapping tools offer potential improvements in AF ablation.
  • Validation of these new approaches in clinical practice is needed.
  • Further research is required to fully understand their impact.

Conclusions:

  • Advanced imaging and mapping are crucial for understanding AF pathophysiology.
  • These techniques can guide catheter ablation for better patient outcomes.
  • Further validation and research are necessary for widespread clinical adoption.