Packer-DougDouglas L. Packer, MD, is a consultant in the Division of Cardiovascular Diseases, Department of Internal Medicine, at Mayo Clinic Rochester. He is the Director of the Heart Rhythm Services and the Director of the Translational Electrophysiology Research Laboratory. Dr. Packer is recognized with the academic rank of the John M. Nasseff, Sr., Professor in Cardiovascular Diseases, and is internationally known in cardiac electrophysiology.

He received the MD degree at the University of Utah and completed an internship, residency and fellowship at Duke University, where he was on staff before coming to Mayo. His honors and awards include the Distinguished Service Award from Brigham Young University.

Dr. Packer is active in the Heart Rhythm Society where he is a past president and member of the Board of Trustees. He is also active in the American Heart Association and the American College of Cardiology. He has served on editorial boards for the American Heart Journal, the Journal of Cardiovascular Electrophysiology, Heart Rhythm journal, and the Journal of the American College of Cardiology. He also has served on National Heart, Lung, and Blood Institute work groups on atrial fibrillation.

Dr. Packer has been an active teacher and mentor, and also lectures widely on cardiac arrhythmias. He has written or co-authored more than 280 publications. He has lectured extensively in national and international meetings, giving over 1,400 invited lectures in 37 countries. He has served on the executive committee of a number of NIH multicenter randomized clinical trials, Including the MUSTT, SCD-HeFT, and HAT Trials. Dr. Packer is also the International Principal Investigator of the recently funded NIH CABANA Pivotal Study. In this capacity he leads the consortium of centers directing the trial.

Dr. Packer is a Mayo Clinician Investigator. His translational work focuses on the mechanisms and ablation of atrial fibrillation and other cardiac arrhythmias, autologous fibroblast modulation of electrical impulse propagation in the heart, and the development of carbon particle catheter-free ablation of arrhythmias. His clinical work investigates 4/5 dimensional integrated image guided ablation, and the development of new energy sources for the modification of cardiac tissue. His work has been funded in part by private foundations, the American Heart Association, and the NIH. Dr. Packer holds US and European patents in the development of intracardiac ultrasound and 4/5D imaging.