Douglas Packer, MD

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Title: Cardiologist
Company: Mayo Clinic Hospital – St. Mary’s Campus
Location: Rochester, Minnesota, United States

Douglas L. Packer, MD, Cardiologist at the Mayo Clinic Hospital – St. Mary’s Campus, has been recognized by Marquis Who’s Who Top Doctors for dedication, achievements, and leadership in cardiac electrophysiology.

For more than four decades, Dr. Packer has remained a passionate and committed medical professional. His love for the field of medicine began when he was in middle school and had the opportunity to spend time with several local doctors. Upon seeing their work and the value in what they do, it resonated in him to become a doctor in order to help others as they did. Over time, his interest in the cardiac field developed. He first earned a Bachelor of Arts in chemistry from Brigham Young University, summa cum laude with highest honors in 1976. He continued at the University of Utah to receive an MD in 1980. He is a diplomate of the American Board of Internal Medicine and the American Board of Cardiology. Dr. Packer is also licensed to practice in the states of North Carolina and Minnesota.

Since 2009, Dr. Packer has leveraged his skills and expertise as the John M. Nasseff, Sr. Professor in Cardiovascular Diseases at the Mayo School of Medicine. He began teaching at the institution in 1989 as an assistant professor. Through the years and with burgeoning medical experience, he was promoted to associate and full professor positions. Prior to working at the Mayo School of Medicine, Dr. Packer taught and served as a fellow at Duke University. He also completed his residency and internship in internal medicine at Duke University. With his area of expertise in cardiac electrophysiology, Dr. Packer is interested in abrasions of cardiac arrhythmias. In his research, he looks at new ways of conducting catheter abrasions and in using proton beam therapy or radiation oncology therapy approaches.

Dr. Packer has become widely known for his work and has received the Distinguished Scientist Award in 2019 from the American College of Cardiology. Other achievements include being a patentee of “Systems and Methods for Visualizing Fluid Enhanced Ablation Therapy,” “Method for Producing High Resolution, Real-Time Images of Structure and Function During Medical Procedures,” “Simultaneous Side-and-End Viewing Underfluid Catheter” and “System and Method for Carbon Particle Therapy  for Treatment of Cardiac Arrhythmias and Other Diseases.” Throughout his career, Dr. Packer has maintained professional affiliation with the European Heart Rhythm Association/European Society of Cardiology, the Asia Pacific Heart Rhythm Society, the American College of Cardiology, the American Heart Association and the Cardiac Electrophysiology Society. He is a founding member of the European Cardiac Arrhythmia Society and the Heart Rhythm Foundation.

Looking toward the future, Dr. Packer endeavors to continue working on clinical trials such as the ablation without catheters with particle therapy trial. He recently completed “The CABANA Trial” which was a clinical trial with 2,200 patients. He served as the principal investigator on that project.

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