Electrophysiology Service

The heart is a pump that is constantly beating to deliver blood to all parts of the body. For the heart to be effective, the heart’s “plumbing system” and “electrical system” must both work well together. The electrical system “listens in” to what else is going on in the body (for example, the individual is at rest or asleep, up and walking around, playing and jumping, or angry or sick), and adjusts the heartbeats accordingly — slow and steady when deeply asleep, and much faster with exercise.

When there is a suspected problem with someone’s heart, cardiologists with special training figure out what the issue is and determine the best way to treat it. In children, many of these issues involve the plumbing of the heart; that is, the size and strength of the cardiac chambers, any holes in the heart that don’t belong, the valves that help blood move forward in one direction through the heart (and not backward!), and the blood vessels bringing blood into and out of the heart.

Sometimes the heart’s normal electrical coordination is disturbed, causing the heart to beat too fast, too slow or very irregular. When this happens, the person may feel strange heartbeats (palpitations), chest pain, lightheadedness or dizzy, possibly faint (syncope), or even worse. Some patients with otherwise seemingly normal hearts can suddenly develop disturbances in the heart’s rhythm (also called “arrhythmias”). Patients born with plumbing abnormalities (holes in the heart, abnormal valves, etc.) are more likely to develop arrhythmias, whether or not they’ve had surgery to correct or improve the heart’s plumbing.

At Norton Children’s Heart Institute, affiliated with the UofL School of Medicine, we have a specialized cardiology team with expertise in diagnosing and treating arrhythmias in children and adults with congenital heart disease. These cardiac “electricians” are available 24/7 to work with many other health care teams, including other cardiologists and heart surgeons focusing on the heart’s plumbing and providers in the emergency department, pediatric and neonatal intensive care units, in outpatient clinics in Louisville and across Kentucky through online web-based services.

Electrophysiologists are “electricians of the heart” who are able to find out what causes abnormal heartbeats through a careful understanding of the patient’s medical history and symptoms. They also use tests, including different types of electrocardiograms. Sometimes a minimally invasive procedure like an electrophysiology study is required to confirm a diagnosis. Once complete understanding of the patient’s arrhythmia has been made, physicians may or may not need to treat the issue. If treatment is required, we have the experience, resources and support to treat any cause, whether that involves medication, catheter-based treatments like ablation, implanting a pacemaker or defibrillator, or working with our heart surgeons during open heart surgery.

Norton Children’s Hospital is home to Kentucky’s only electrophysiology laboratory dedicated to children. At Norton Children’s Heart Institute, our electrophysiologists work closely with specially trained nurses and technicians in the Electrophysiology Laboratory to fully evaluate, treat and often cure many arrhythmias in children.

Electrophysiology Diseases and Conditions Treated

  • Palpitations
  • Syncope (fainting)
  • Cardiac arrhythmias (disturbances in heart rhythm)
  • Premature atrial contractions
  • Premature ventricular contractions
  • Tachycardia
    • Supraventricular tachycardia
    • Wolff Parkinson White syndrome
    • Atrial flutter/fibrillation
  • Bradycardia
    • Heart block (AV block)
    • Sick sinus syndrome
  • Ventricular tachycardia
    • Associated with post-operative congenital heart disease
    • Idiopathic or structurally normal heart
    • Long QT syndrome
    • Brugada syndrome
    • Catecholaminergic polymorphic ventricular tachycardia

Inpatient Services

  • Consultation for patients with known or suspected cardiac arrhythmias
  • Close collaboration with pediatric and adult cardiologists, cardiac surgeons, critical care providers, emergency room providers and anesthesiologists
  • Review of 12-lead ECGs, Holter monitors and continuous ECG telemetry
  • Electrophysiology procedures
    • Intracardiac electrophysiology (EP) studies
    • Transesophageal electrophysiology studies
    • Three-dimensional EP mapping
    • Radiofrequency catheter ablation
    • Catheter cryoablation
    • EP procedures without fluoroscopic radiation
    • Intracardiac echocardiography
    • Implantation of temporary pacemakers
    • Implantation of permanent pacemakers, defibrillators and loop recorders
  • Combined procedures
    • EP procedures simultaneous with other cardiac catheterization (diagnostic or interventional)
    • EP procedures simultaneous with cardiac surgery

Outpatient Clinics and Services

Specialty clinics:

  • Pediatric arrhythmias
  • Adult congenital heart disease arrhythmias
  • Pacemaker and defibrillator clinics
  • In-office interrogation and programming
  • Analysis of remote device interrogation

Multispecialty Clinics

Clinics collaborate with health care providers in general pediatric cardiology, adult congenital heart disease, advanced heart failure, cardiomyopathy, cardiac transplantation and genetics.

The Right Kind of Collaborative Care for Your Child

The electrophysiology program works closely with physicians and programs within Norton Children’s Heart Institute. Other providers in Kentucky routinely refer patients to Norton Children’s Heart Institute for complex cases. We perform all diagnostic testing, surgeries and follow-up care at Norton Children’s Hospital.

Norton Children’s providers are skilled in treating heart conditions in children. You can draw strength, comfort and confidence from our highly trained specialists, including:

  • Pediatric cardiothoracic surgeons
  • Pediatric transplant surgeons
  • Pediatric cardiologists
    • Fetal cardiologists
    • Adult congenital heart cardiologists
    • Heart failure/heart transplant cardiologists
    • Pediatric cardiac catheterization cardiologists
    • Pediatric electrophysiologists
  • Pediatric critical care physicians
  • Cardiovascular anesthesiologists
  • Cardiac critical care nurses
  • Cardiac nurse practitioners
  • Critical care pharmacists
  • Child life specialists
  • Diagnostic imaging specialists
  • Dietitians
  • Family support team
  • Genetic counselors
  • Psychologists
  • Social workers

Why Choose Norton Children’s Heart Institute

No other congenital heart surgery program in Kentucky, Ohio or Southern Indiana is rated higher by the Society of Thoracic Surgeons than the Norton Children’s Heart Institute Pediatric Cardiothoracic Surgery Program.

  • Norton Children’s Hospital has been a pioneer in pediatric cardiothoracic surgery, performing Kentucky’s first pediatric heart transplant in 1986 and becoming the second site in the United States to perform an infant heart transplant.
  • Our board-certified and fellowship-trained pediatric cardiovascular surgeons are leaders in the field as clinicians and researchers.
  • More than 5,000 children a year visit Norton Children’s Heart Institute, affiliated with the UofL School of Medicine, for advanced heart care.
  • Norton Children’s Heart Institute successfully performs more than 17,500 procedures a year.
  • The Society of Thoracic Surgeons rated Norton Children’s Heart Institute among the best in the region after studying years of our patients’ outcomes and our ability to treat a range of pediatric heart conditions, including the most severe.
  • Norton Children’s Heart Institute has satellite outpatient offices in Ashland, Bowling Green, Campbellsville, Elizabethtown, Frankfort, London, Madisonville, Murray, Owensboro, Paducah and Shepherdsville in Kentucky; as well as Corydon, Jasper, Madison and Scottsburg in Indiana; 28 tele-echocardiography locations in Kentucky and Southern Indiana; and six fetal echocardiography locations across Kentucky.
  • The American Board of Thoracic Surgery has awarded the cardiothoracic surgeons at Norton Children’s Hospital with subspecialty certification in congenital heart surgery.
  • The Jennifer Lawrence Cardiac Intensive Care Unit (CICU) is the largest dedicated CICU in Kentucky, equipped with 17 private rooms and the newest technology available for heart care .
  • Our multidisciplinary approach to pediatric heart surgery brings together our specialists in cardiothoracic surgery, cardiology, anesthesiology, cardiac critical care and other areas to create a complete care plan tailored for your child.
Heart – 2929

Norton Children’s Heart Institute

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(502) 629-2929

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