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Cardiac Catheterization I: Pre-Procedure Overview01:28

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Cardiac Catheterization III: Left Heart Catheterization01:24

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Dysrhythmias VI: Management of Dysrhythmias01:25

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Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
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Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
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Cardiac Catheterization II: Right Heart Catheterization01:21

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
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Pulsed Field Ablation With a Variable Loop Circular Catheter in Atrial Fibrillation: Acute Outcomes From the VARIPURE Multicenter Study.

Heart rhythm·2026
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Related Experiment Video

Updated: Mar 3, 2026

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
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Catheter Ablation: General Principles and Advances.

Sabine Ernst1

  • 1Cardiology Department, National Heart and Lung Institute, Royal Brompton and Harefield Hospital, Imperial College, Sydney Street, London SW3 6NP, UK.

Cardiac Electrophysiology Clinics
|May 2, 2017
PubMed
Summary

Catheter ablation offers curative treatment for arrhythmias in complex congenital heart disease. Advanced 3D imaging and navigation systems enhance procedural planning and improve patient outcomes.

Keywords:
3D image integration3D mappingCatheter ablationRemote navigationSequential mappingSimultaneous mapping

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Electrophysiology

Background:

  • Complex congenital heart disease often leads to arrhythmias.
  • Antiarrhythmic medications have limitations for curative treatment.
  • Catheter ablation presents a potentially curative therapeutic option.

Purpose of the Study:

  • To review the role of catheter ablation in treating arrhythmias in complex congenital heart disease.
  • To highlight the utility of 3D imaging and advanced navigation in these procedures.

Main Methods:

  • Utilizing three-dimensional (3D) reconstruction from tomographic imaging (MRI, CT) for anatomical understanding and access planning.
  • Employing 3D mapping systems (sequential or simultaneous acquisition).
  • Leveraging advanced navigation systems like remote magnetic navigation.

Main Results:

  • 3D imaging aids in understanding cardiac anatomy and identifying ablation targets.
  • 3D mapping systems improve procedural guidance.
  • Advanced navigation systems contribute to better acute and long-term outcomes.

Conclusions:

  • Catheter ablation is a viable curative therapy for arrhythmias in complex congenital heart disease.
  • Integration of 3D imaging and advanced navigation systems is crucial for optimizing outcomes.