
Dr. Justin Rackley is a cardiologist specializing in heart rhythm disorders, with advanced training in electrophysiology. He brings a thoughtful, patient-focused approach to care, taking time to listen, explain, and guide each patient through their diagnosis and treatment options with clarity and compassion.
Dr. Rackley completed his General Cardiology fellowship at Penn State Milton S. Hershey Medical Center, where he served as Chief Fellow, with advanced fellowship training in Electrophysiology, focusing on the diagnosis and treatment of complex arrhythmias.
He completed his Internal Medicine residency at Wake Forest Baptist Medical Center and earned his medical degree from Drexel University College of Medicine. He holds a bachelor’s degree in Philosophy-Neuroscience-Psychology from Washington University in St. Louis, a background that shapes his holistic understanding of the connection between physical and emotional health.
Dr. Rackley has been recognized for both clinical and academic excellence, including serving as Chief Cardiology Fellow and being inducted into Alpha Omega Alpha, the national medical honor society. His work includes research and presentations focused on heart rhythm disorders, atrial fibrillation, and advancing cardiac care.
A Patient-Centered Approach
Dr. Rackley is known for being exceptionally kind, attentive, and easy to talk to. He believes the best care begins with understanding each patient as a person. Patients can expect visits where their concerns are fully heard, questions are encouraged, and treatment decisions are made together.
A former collegiate track athlete and team captain, Dr. Rackley brings a mindset shaped by discipline, perseverance, and teamwork that still guide how he supports coworkers and patients.
Guided by Planetree principles of person-centered care, Dr. Rackley focuses on building trusting relationships, providing clear and understandable information, supporting emotional well-being, and creating a calm, comfortable experience that reduces stress and uncertainty.
Areas of Interest
- Heart rhythm disorders (arrhythmias)
- Atrial fibrillation
- Electrophysiology procedures and advanced cardiac diagnostics
- Preventive cardiology and long-term heart health
Outside of medicine, Dr. Rackley enjoys weightlifting, tennis, and snowboarding, and values time spent with family and friends, reflecting his belief in the importance of balance and overall well-being.
Research and National Publications
Journal of Interventional Cardiac Electrophysiology
Journal of Sleep
Journal of Clinical Sleep Medicine
Journal of Interventional Cardiac Electrophysiology
American Journal of Cardiology
Serum Cotinine and Silent Myocardial Infarction in Individuals Free from Cardiovascular Disease
The Physician and Sportsmedicine
Journal of Neurochemistry
Mechanistic characterization of nitrite-mediated neuroprotection after experimental cardiac arrest
Circulation: Cardiovascular Quality and Outcomes
Depression and Rehospitalization Following Acute Myocardial Infarction
Certification
- Cardiovascular Disease, American Board of Internal Medicine
- Advanced Fellowship in Cardiac Electrophysiology
Subspecialties / Interests
Cardiovascular Disease, Clinical Cardiac Electrophysiology, Arrhythmia Management
Education & Training
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Washington University, St. LouisNeuroscience-Psychology
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Drexel University College of MedicineMedical Degree
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Wake Forest Baptist Medical CenterInternal Medicine Residency
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Penn State Milton S. Hershey Medical CenterCardiology Fellowship
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Penn State Milton S. Hershey Medical CenterElectrophysiology Fellowship
Care Center
Locations
- Griffin Faculty Physicians – Cardiac Electrophysiology SheltonCardiac Electrophysiology Shelton2 Ivy Brook Road, 120Shelton, CT 06484
- Griffin Faculty Physicians – CardiologyGriffin Faculty Physicians - CardiologyGriffin Hospital 130 Division Street, East Wing Floor 1Derby, CT 06418
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