--- title: "EP, Electrophysiology | MedTech Terms" description: "Diagnosis and catheter-based treatment of cardiac arrhythmias. Plain-English Market Segments definition for MedTech teams, with examples and related terms." lang: en json-ld: | { "@context": "https://schema.org", "@graph": [ { "@type": "DefinedTerm", "@id": "https://medtechterms.com/terms/electrophysiology#term", "name": "Electrophysiology", "alternateName": "EP", "description": "Electrophysiology covers catheter ablation (radiofrequency, cryo, and pulsed field), 3D mapping systems, and intracardiac echo for treating atrial fibrillation, ventricular tachycardia, and other arrhythmias.", "url": "https://medtechterms.com/terms/electrophysiology", "termCode": "electrophysiology", "inDefinedTermSet": { "@type": "DefinedTermSet", "name": "MedTech Terms", "url": "https://medtechterms.com/terms" } }, { "@type": "Article", "@id": "https://medtechterms.com/terms/electrophysiology#article", "headline": "EP, Electrophysiology", "description": "Diagnosis and catheter-based treatment of cardiac arrhythmias.", "url": "https://medtechterms.com/terms/electrophysiology", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://medtechterms.com/terms/electrophysiology" }, "about": { "@id": "https://medtechterms.com/terms/electrophysiology#term" }, "articleSection": "Market Segments", "inLanguage": "en", "keywords": "Electrophysiology, EP, Market Segments, medical device, MedTech", "author": { "@type": "Person", "name": "Christian Espinosa", "jobTitle": "Founder, Blue Goat Cyber", "url": "https://bluegoatcyber.com" }, "publisher": { "@type": "Organization", "name": "MedTech Terms", "url": "https://medtechterms.com" }, "isPartOf": { "@type": "WebSite", "name": "MedTech Terms", "url": "https://medtechterms.com" }, "datePublished": "2026-05-05", "dateModified": "2026-05-05", "citation": [ { "@type": "CreativeWork", "name": "Heart Rhythm Society", "url": "https://www.hrsonline.org/", "publisher": { "@type": "Organization", "name": "HRS" } }, { "@type": "CreativeWork", "name": "MedTech Dive", "url": "https://www.medtechdive.com/", "publisher": { "@type": "Organization", "name": "MedTech Dive" } }, { "@type": "CreativeWork", "name": "AdvaMed - Industry Reports", "url": "https://www.advamed.org/our-work/", "publisher": { "@type": "Organization", "name": "AdvaMed" } } ], "mentions": [ { "@type": "DefinedTerm", "@id": "https://medtechterms.com/terms/cardiovascular#term", "name": "Cardiovascular Devices", "url": "https://medtechterms.com/terms/cardiovascular" } ] }, { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://medtechterms.com/" }, { "@type": "ListItem", "position": 2, "name": "Terms", "item": "https://medtechterms.com/terms" }, { "@type": "ListItem", "position": 3, "name": "Market Segments", "item": "https://medtechterms.com/terms?cat=Market%20Segments" }, { "@type": "ListItem", "position": 4, "name": "Electrophysiology", "item": "https://medtechterms.com/terms/electrophysiology" } ] }, { "@type": "FAQPage", "@id": "https://medtechterms.com/terms/electrophysiology#faq", "mainEntity": [ { "@type": "Question", "name": "What is the regulatory classification for electrophysiology ablation catheters?", "acceptedAnswer": { "@type": "Answer", "text": "Electrophysiology ablation catheters are generally classified as Class II or Class III medical devices by the FDA, depending on their intended use and risk profile, requiring either 510(k) clearance or PMA approval respectively. In the EU, they typically fall under higher risk classifications (Class IIb or III) due to their invasive nature and potential impact on patient health." } }, { "@type": "Question", "name": "How does cybersecurity impact electrophysiology devices?", "acceptedAnswer": { "@type": "Answer", "text": "Cybersecurity is crucial for electrophysiology devices, especially those with network connectivity or data storage, to protect patient privacy and device functionality. Manufacturers must implement controls addressing data integrity, confidentiality, and availability, in accordance with FDA guidance on Medical Device Cybersecurity and IMDRF principles." } }, { "@type": "Question", "name": "What role does clinical data play in the approval of new electrophysiology technologies?", "acceptedAnswer": { "@type": "Answer", "text": "Clinical data, generated through rigorous clinical trials, is essential for demonstrating the safety and effectiveness of new electrophysiology technologies. This data supports regulatory submissions and informs healthcare providers about the appropriate use and potential benefits for patients, as required by both FDA and EU MDR regulations." } } ] } ] } --- [ MedTech Terms The authoritative reference ](/) Browse Learn [Latest](/latest) About 1. [Home](/) 2. / 3. [Terms](/terms) 4. / 5. [Market Segments](/terms?cat=Market%20Segments) 6. / 7. Electrophysiology [All terms](/terms) Market Segments [Strategic Landscape](/ecosystems/strategic-landscape)EP # Electrophysiology Diagnosis and catheter-based treatment of cardiac arrhythmias. Reviewed by [Christian Espinosa, Founder, Blue Goat Cyber](/authors/christian-espinosa) Last reviewed May 5, 2026 ## Definition Electrophysiology covers catheter ablation (radiofrequency, cryo, and pulsed field), 3D mapping systems, and intracardiac echo for treating atrial fibrillation, ventricular tachycardia, and other arrhythmias. What the regulation says Electrophysiology devices, including those for catheter ablation and 3D mapping, are subject to premarket review and postmarket surveillance by regulatory bodies like the FDA under 21 CFR Part 807, and must comply with the essential requirements of the EU [MDR](/terms/mdr-reporting), particularly Annex I, for CE marking. Manufacturers must demonstrate safety and performance through clinical evidence and adherence to quality system regulations, such as those outlined in 21 CFR Part 820 for the United States, and [ISO 13485](/terms/iso-13485) internationally. ## What this means in practice Pulsed field ablation (PFA) - Medtronic Affera, Boston Scientific Farapulse, J&J Varipulse - is reshaping the AF market with tissue-selective, faster procedures. Mapping systems (CARTO, EnSite, Rhythmia) drive catheter pull-through. ## Examples - A MedTech company developing a novel pulsed field ablation system submits extensive clinical trial data to the FDA to demonstrate its safety and efficacy for treating atrial fibrillation, in line with 21 CFR 814 requirements for Premarket Approval. - During an audit, an electrophysiology device manufacturer must present documented evidence of software validation for its 3D cardiac mapping system, showing adherence to IEC 62304 standards for medical device software life cycle processes. - A hospital performing an ablation procedure identifies a cybersecurity vulnerability in a networked electrophysiology workstation and reports it to the manufacturer, prompting a field safety corrective action in accordance with postmarket surveillance regulations. Common pitfalls - • A common pitfall is failing to adequately validate software used in 3D mapping systems, which can lead to inaccuracies in cardiac reconstruction and treatment planning. - • Manufacturers sometimes overlook the need for robust cybersecurity controls in networked electrophysiology systems, potentially exposing patient data or device function to unauthorized access. - • Inadequate risk assessment for novel energy sources, such as pulsed field ablation, can result in unforeseen patient harms or device malfunctions. - • A mistake is not performing sufficient usability testing on complex electrophysiology equipment, leading to operator error during critical procedures. ## Frequently asked questions What is the regulatory classification for electrophysiology ablation catheters? Electrophysiology ablation catheters are generally classified as Class II or Class III medical devices by the FDA, depending on their [intended use](/terms/intended-use) and risk profile, requiring either 510(k) clearance or [PMA](/terms/pma) approval respectively. In the EU, they typically fall under higher risk classifications (Class IIb or III) due to their invasive nature and potential impact on patient health. How does cybersecurity impact electrophysiology devices? What role does clinical data play in the approval of new electrophysiology technologies? ## Related terms Grouped by theme ### Editor's picks · Hand-selected related concepts [ Market Segments Cardiovascular Devices Devices for diagnosing, monitoring, or treating cardiovascular disease. ](/terms/cardiovascular) ### More in Market Segments · Same category [ Market Segments Aesthetic & Energy-Based Devices Lasers, RF, ultrasound, cryolipolysis, and IPL systems used for medical and cosmetic indications, body contouring, hair removal, skin tightening, vascular lesions. ](/terms/aesthetics-energy-devices)[ Market Segments AI Imaging Software Software that analyzes medical images to triage, detect, or quantify disease. ](/terms/ai-imaging)[ Market Segments Cardiac Rhythm Management(CRM) Implantable and external devices that monitor and treat cardiac arrhythmias, pacemakers, ICDs, CRT devices, and insertable cardiac monitors. ](/terms/cardiac-rhythm-management)[ Market Segments Clinical Laboratory Improvement Amendments(CLIA) U.S. federal standards that govern clinical laboratory testing. ](/terms/clia) Cited by Where this term appears across MedTech Terms. Ecosystems (1) - [Strategic Landscape](/ecosystems/strategic-landscape) ## Mentioned in recent activity 11 entries Recalls (10)Trials (1) [BARD Dynamic Deca Steerable, Product Number 201101; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2174-2026) Class II · 2026-04-10 [Daig Livewire Steerable, Product Number 401904; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2191-2026) Class II · 2026-04-10 [BARD EP XT Decapolar Steerable, Product Number 201007; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2181-2026) Class II · 2026-04-10 [Daig Livewire Steerable, Product Number 401581; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2187-2026) Class II · 2026-04-10 [Daig Livewire Steerable, Product Number 401915; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2195-2026) Class II · 2026-04-10 [BARD Dynamic Tip Steerable, Product Number 200344; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2176-2026) Class II · 2026-04-10 [Daig Livewire Steerable, Product Number 401905; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2192-2026) Class II · 2026-04-10 [Daig Livewire Steerable BDB, Product Number 401918, REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2198-2026) Class II · 2026-04-10 [CS Uni-Directional w Auto ID, Product Number D135304; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2185-2026) Class II · 2026-04-10 [Daig Livewire Steerable, Product Number 401575; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2186-2026) Class II · 2026-04-10 ## Latest in MedTech [View all](/latest?term=electrophysiology) Recent regulatory actions, publications, and trials matched to this term. Updated daily. - Recall 2026-04-10 [BARD Dynamic Deca Steerable, Product Number 201101; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2174-2026) Class II · Stryker Sustainability Solutions - Recall 2026-04-10 [Daig Livewire Steerable, Product Number 401904; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2191-2026) Class II · Stryker Sustainability Solutions - Recall 2026-04-10 [Daig Livewire Steerable, Product Number 401575; REPROCESSED ELECTROPHYSIOLOGY CATHETER ](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=Z-2186-2026) Class II · Stryker Sustainability Solutions ## Primary references 3 sources Link health: 3 verified · last checked 2026-06-20 HRS· 1 MedTech Dive· 1 AdvaMed· 1 1. [1 Heart Rhythm Society Verified HRS · hrsonline.org ](https://www.hrsonline.org/) 2. [2 MedTech Dive Verified MedTech Dive · medtechdive.com ](https://www.medtechdive.com/) 3. [3 AdvaMed - Industry Reports Verified AdvaMed · advamed.org ](https://www.advamed.org/our-work/) Inline markers like \[1\] jump to the matching reference above. Sponsor note ### Building a connected device in this segment? Blue Goat Cyber specializes in MedTech cybersecurity across imaging, cardiac, IVD, surgical, and other connected segments. [Book a 30-minute discovery session](https://go.bluegoatcyber.com/meetings/blue-goat-cyber/discovery-session) - No obligation - Expert-led from minute one - NDA available on request MedTech Terms is a community resource sponsored by [Blue Goat Cyber](https://bluegoatcyber.com). Definitions are independent of any vendor. On this term Category Market Segments Acronym EP Sources 3 Updated 5/5/2026 [Compare with another term](/compare?a=electrophysiology) Learn in 60 seconds Card Lesson Quiz Diagnosis and catheter-based treatment of cardiac arrhythmias. - · Pulsed field ablation (PFA) - Medtronic Affera, Boston Scientific Farapulse, J&J Varipulse - is reshaping the AF market with tissue-selective, faster procedures. - · Mapping systems (CARTO, EnSite, Rhythmia) drive catheter pull-through. Remember this Watch out: A common pitfall is failing to adequately validate software used in 3D mapping systems, which can lead to inaccuracies in cardiac reconstruction and treatment planning. Related terms - [Cardiovascular Devices ](/terms/cardiovascular) You may also need Auto-suggested from Market Segments and shared keywords. - [Cardiac Rhythm Management(CRM) ](/terms/cardiac-rhythm-management) - [Sleep & Respiratory Devices ](/terms/sleep-respiratory-devices) - [Structural Heart ](/terms/structural-heart) - [Aesthetic & Energy-Based Devices ](/terms/aesthetics-energy-devices) - [Endoscopy Devices ](/terms/endoscopy-devices) - [In Vitro Diagnostics (Segment)(IVD) ](/terms/ivd-segment) [All Market Segments terms](/terms?cat=Market%20Segments) MedTech Terms An authoritative, plain-language reference for the regulatory, quality, cybersecurity, and software terms that shape modern medical devices. Browse - [All terms](/terms) - [A–Z index](/a-z) - [Categories](/categories) - [Ecosystems](/ecosystems) - [Learning paths](/paths) - [Compare terms](/compare) - [Quiz](/quiz) Resources - [FDA Medical Devices](https://www.fda.gov/medical-devices) - [EU MDR](https://eur-lex.europa.eu/eli/reg/2017/745/oj) - [IMDRF](https://www.imdrf.org/) - [Methodology](/methodology) - [Changelog](/changelog) - [Editor: Christian Espinosa](/authors/christian-espinosa) - [About this site](/about) © 2026 MedTech Terms. Reference content for educational purposes - not regulatory advice. A community resource sponsored by [Blue Goat Cyber](https://bluegoatcyber.com)