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CHOC Children’s Heart Institute

The CHOC Children’s Heart Institute offers state-of-the-art diagnosis and treatment for an entire spectrum of cardiac conditions, and we are the only Orange County facility to perform neonatal and pediatric open-heart surgery and cardiac catheterization.

CHOC also proudly offers one of the few dedicated pediatric electrophysiology programs in the region, and a dedicated cardiovascular intensive care unit with the most advanced bedside monitoring equipment available.

Our cardiac specialists not only see patients during office hours Monday through Friday, but are always on-call in our emergency department.

There truly is no place like CHOC.

The CHOC Difference

Innovative Cardiodiagnostics

3D-cardiac-MRIThe CHOC Children’s Heart Institute is dedicated to providing the least invasive, most advanced cardiodiagnostic services available for heart-related problems in children. We offer traditional and highly specialized echocardiograms and electrocardiograms, Holter monitoring and cardiac event recording and advanced 3D imaging. In our state-of-the-art cardiac catheterization lab, we offer minimally invasive diagnostic catheterization techniques and electrophysiology studies. Learn more about the cardiodiagnostics available at CHOC Children’s.

CHOC Children’s is the only facility in Orange County that performs open-heart surgery on newborns and children.

The hospital’s impressive offering of surgical services includes dedicated, cardiovascular operating rooms with extracorporeal membrane oxygenation (ECMO), a life-saving technology not found anywhere else in the county. We offer a full range of surgical procedures to correct congenital heart defects including arterial switch for transposition of the great vessels and the Norwood procedure for hypoplastic left heart syndrome and have operated on infants weighing as little at 1.4 kilograms (3 pounds 1 ounce). Learn more about heart surgery at CHOC Children’s.

A Team Approach for Healing Hearts

Children are not small adults and their health care needs, especially cardiac concerns, should be diagnosed and treated by specialists who understand the needs of children. We are dedicated to providing the least invasive, most advanced cardiodiagnostics available for heart-related problems in children, including imaging procedures that allow us to create 3D images of the heart and blood vessels.

Each patient’s care team includes physicians with specialized cardiac training, pediatric cardiac nurse practitioners, bedside nurses, respiratory therapists, social workers and child life specialists who together provide seamless care, patient education and family support, as well as opportunities for the child to play, discover and create. Our nationally recognized cardiac experts were trained at some of the top programs in the nation and exclusively evaluate and treat newborns, infants, children, teens and young adults with all types of congenital heart defects, acquired heart disease and vascular problems, including:

What We Treat

Innovative Programs, Specialized Expertise

At CHOC Children’s we are dedicated to providing the life-saving equipment, technology, expertise and healing environment pediatric patients need. Our specialized programs go beyond traditional cardiac care to provide even the most fragile children and their families with personalized treatment plans and the peace of mind that comes with working with some of the country’s most renowned pediatric cardiology experts.

With one of the largest pediatric pacemaker and internal cardiac defibrillator clinics in the region, we work with patients and families throughout Southern California and beyond to treat and monitor children who need a pacemaker or implantable cardiac defibrillators. Once a device has been inserted, our specialists are able to monitor each patient’s defibrillator, battery supply, wire integrity and much more without the patient ever having to leave the comfort of home by using a special wireless connection and the Internet. Learn more about the Pacemaker and Implantable Cardioverter Defibrillator Program at CHOC Children’s.
CHOC Children’s is a leader in the detection and treatment of arrhythmias in children with comprehensive noninvasive and invasive electrophysiological services. When a child is diagnosed with an arrhythmia, our electrophysiology team offers a variety of research-based diagnostic and treatment options for children of all ages—from babies still in the womb to young adults. As a leader in this field, CHOC was the first hospital in the United States to perform radiation-free electrophysiological studies and cardiac catheter ablation. Learn more about the Electrophysiology Program at CHOC Children’s.
CHOC Children’s is the only institution in Orange County to offer extracorporeal life support (ECLS), or ECMO, a complex machine that supports the heart and lungs by taking over the heart’s pumping function and the lung’s oxygen exchange until a patient can recover from injury or illness. Learn more about ECLS.
Interventional cardiologists do not diagnose or treat patients using conventional surgery; they specialize in performing minimally invasive cardiac catheterization procedures in our state-of-the-art catheterization laboratories. Learn more about the minimally invasive diagnostics and treatment procedures offered by our interventional cardiologists.
The Lipid Clinic uses a multidisciplinary approach that includes an exercise educator, dietitian and cardiologist to care for children who are at risk for developing heart disease because of genetic or acquired dyslipidemias. Learn more about the Lipid Clinic.
Our Pulmonary Hypertension Clinic provides families with the opportunity to undergo tests like echocardiograms, electrocardiograms and pulmonary function tests, and meet with their pulmonologist and cardiologist, all in one clinic visit. Learn more about the Pulmonary Hypertension Clinic.
The Heart Institute collaborates with the Orange County Department of Education to provide a sports cardiology program called Life-Threatening Events Associated with Pediatric Sports (LEAPS) program. CHOC’s pediatric cardiologists work one-on-one with local high school coaches, staff and students to educate them on heart conditions and offer electrocardiogram screenings to identify athletes at risk. Learn more about LEAPS.
The Cardiac NICU is a special unit of the neonatal intensive care unit at CHOC that provides comprehensive care for babies with congenital heart defects, including those complicated by prematurity, low birth weight or multi-organ disease. CHOC is the only hospital in Orange County that performs open heart surgery on newborns. Led by physicians who are dual-trained in both neonatal intensive care and cardiac intensive care, the eight-bed Cardiac NICU features the latest technology, including full ECMO support and the capability to perform emergency bedside surgery if needed. The Cardiac NICU promotes multidisciplinary collaboration with daily rounds between cardiac-neonatologists, pediatric cardiologists, cardiothoracic surgeons and neonatal-cardiac nurses, and the unit is actively researching techniques to maximize neuro-developmental outcomes and minimize long-term complications.

Big Innovations for Tiny Hearts: Research at the CHOC Children’s Heart Institute

The Heart Institute’s participation in research allows us to continue advancing the future of pediatric cardiac care and find treatment options for children for whom standard therapies have failed or are not an option. Our studies continue to lead to major advancements in hybrid congenital heart surgery and neonatal and pediatric open-heart surgery, postoperative care following pediatric cardiothoracic surgery and the treatment of arrhythmias. Ongoing projects have included the evaluation of new treatments for respiratory syncytial virus (RSV) in children with cardiac disease and newer noninvasive methodologies in monitoring children after cardiac surgery. The Heart Institute has also participated in a national study to evaluate newer inotropic agents following heart surgery as well as management strategies for hypoplastic left heart syndrome.

Contact the Heart Institute

To make an appointment for any of the services at the CHOC Children's Heart Institute, please call 888-770-2462 or contact one of our locations below. For general questions and information about the Heart Institute, please call 714-509-4504.


CHOC Children’s Specialists Cardiology

Building: CHOC Commerce Tower | 505 S. Main St., Suite 200 | Orange, CA 92868 | Appointments: 888-770-2462 | Office: 714-509-3939

holmes tower

CHOC Children’s Heart Center

Building: Holmes Tower | 1201 W. La Veta Ave., 3rd Floor | Orange, CA 92868 | 714-509-9200

CHOC Children’s Health Center, Mission Viejo26691 Plaza, Suite 130Mission Viejo, CA 92691888-770-2462

CHOC Children’s Health Center, Mission Viejo

26691 Plaza, Suite 130 | Mission Viejo, CA 92691 | 888-770-2462

CHOC Children’s Health Center, Corona854 Magnolia Ave.Suite 101Corona, CA 92879888-770-2462

CHOC Children’s Health Center, Corona

854 Magnolia Ave - #101 | Corona, CA 92879 | 888-770-2462

CHOC Children’s Specialty Center, Newport Beach500 Superior Ave.Suite 140Newport Beach, CA 92663949-631-3603

CHOC Children’s Specialty Center, Newport Beach

500 Superior Avenue - Suite 140 | Newport Beach, CA 92663 | 949-631-3603

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UC Irvine

CHOC Children's is affiliated with the UC Irvine School of Medicine