Electrophysiology
We have one goal — to ensure those with cardiac arrhythmias can live the lives they want. This means transforming the latest advancements in electrophysiology into a suite of tools that empowers physicians with a range of treatments for the best outcomes.
For more than 30 years, we’ve been the global market leader in the science and technology of cardiac arrhythmia treatment, working with thousands of electrophysiologists to identify and develop diagnostic and treatment tools. And through onsite training, online courses and our global education centers, we work together to set new standards every day.
Featured
.jpg?width=3840&quality=90&format=webp)
Portfolio
Our integrated system
Our suite of products have been designed and engineered to work seamlessly together, ensuring optimal functionality, and compatibility. This integration goes beyond the simple coexistence of different instruments – it is a conscious effort to create a synergistic system that enhances overall performance and outcomes.
.jpg?width=3840&quality=90&format=webp)
Clinical Evidence
Research & innovation
Clinical research and evidence from the field of electrophysiology, cardiac arrhythmias, and atrial fibrillation.
.jpg?width=3840&quality=90&format=webp)
News
See the latest updates
What’s new in electrophysiology? Stay updated with our latest news and press releases.
.jpg?width=3840&quality=90&format=webp)
Careers
Career opportunities
Join the dynamic and innovative team in electrophysiology at Johnson & Johnson MedTech, where we are empowered to shape the future of healthcare. Don’t miss the chance to make a real difference in patients’ lives, while fostering your personal and professional growth in our vibrant and collaborative work environment.
.jpg?width=3840&quality=90&format=webp)
Therapy Advancement Program
Through every step of your journey, our Therapy Advancement Program (TAP) empowers you with the resources, tools, and support to treat more AFib patients—while potentially increasing access to care.
.jpg?width=3840&quality=90&format=webp)
Patient education resources
With a focus on clear and accessible AFib education, insights from physician thought leaders, and compelling patient stories, Get Smart About AFib aims to be a trusted resource where physicians and providers can confidently refer their patients.
Learning programs
Follow your unique learning journey, from foundational skills to advanced techniques, with expertly-designed programs.
.jpg?width=3840&quality=80&format=webp)
Cardiac Electrophysiology Fellows Academy
This program provides a personal learning journey customized to your two year fellowship.
.jpg?width=3840&quality=80&format=webp)
Cardiac Electrophysiology AHP Education
This program is a self-guided interactive course focused on basic and advanced cardiac electrophysiology concepts for Allied Health Professionals and all others interested in cardiac arrhythmia diagnosis and treatment with Johnson & Johnson MedTech products.
Cardiac Electrophysiology AHP Education
This program is a self-guided interactive course focused on basic and advanced cardiac electrophysiology concepts for Allied Health Professionals and all others interested in cardiac arrhythmia diagnosis and treatment with Johnson & Johnson MedTech products.
.jpg?width=3840&quality=80&format=webp)
Education library
Go deep or explore broadly through our extensive collection of high-quality learning materials.
Video
Principles of Pulsed Field Ablation
Watch Drs. Duytschaever and Sharma discuss the basic principles of Pulsed Field Ablation.
Video
The Power of Integration: CARTO™ 3 System and VARIPULSE™ Catheter
Watch Dr. Christopher Porterfield discuss the integration of CARTO™ with VARIPULSE™ using cases to review use and workflow surrounding VARIPULSE™.
Video
Advancing Your AF Workflow with the QDOT MICRO™ Catheter
.jpg?width=3840&quality=80&format=webp)
Video
Biophysics of Radiofrequency Energy with the QDOT MICRO™ Catheter
Video
Techniques for Substrate Mapping Ischemic VT with the OPTRELL™ Mapping Catheter
Elevate your expertise with J&J Institute
Browse products
References
Warning
Products are sold with a limited warranty to the original purchaser against defects in workmanship and materials. Any other express or implied warranties, including warranties of merchantability or fitness, are hereby disclaimed.
DO NOT use PENTARAY™ NAV ECO High Density Mapping Catheters, OCTARAY™ or OPTRELL™ Mapping Catheters with TRUEref™ Technology in patients with prosthetic valves.
The THERMOCOOL SMARTTOUCH™ SF Catheter is indicated for the treatment of drug refractory recurrent symptomatic paroxysmal atrial fibrillation (AF) and for drug refractory recurrent symptomatic persistent AF (continuous AF > 7 days but < 1 year), refractory or intolerant to at least 1 Class I or III AAD, when used with the CARTO™ 3 System.
The Johnson & Johnson and its affiliates QDOT MICRO™ Catheters and related accessory devices are indicated for catheter-based cardiac electrophysiological mapping (stimulating and recording) and, when used in conjunction with a compatible radiofrequency generator, for the treatment of:• Type I atrial flutter in patients age 18 or older.• Drug refractory recurrent symptomatic paroxysmal atrial fibrillation, when used with compatible three-dimensional electroanatomic mapping systems. The Johnson & Johnson and its affiliates QDOT MICRO™ Catheters provide real-time measurement of contact force between the catheter tip and heart wall, as well as location information when used with CARTO™ 3 Navigation System.
Important information: Prior to use, refer to the instructions for use supplied with this device for indications, contraindications, side effects, warnings and precautions. Caution: US law restricts this device to sale by or on the order of a physician.
This site is published by Johnson & Johnson and its affiliates, which is solely responsible for its contents. It is intended for visitors from the United States. Last Updated on 09/25/2025.
US_ELP_ALEL_406937