Francis Marchlinski, MD, is a professor of medicine and serves as director of the electrophysiology program at Penn Medicine and director of the electrophysiology laboratory at the Hospital of the University of Pennsylvania. Dr. Marchlinski specializes in treating patients with heart rhythm disorders. His research interests include mechanism and ablation of atrial tachycardia and ventricular arrhythmias. Upon receiving his undergraduate degree from Pennsylvania State University, Dr. Marchlinski went on to receive his medical degree from the Perelman School of Medicine at the University of Pennsylvania. He completed his internship, residency and fellowship at the Hospital of the University of Pennsylvania. Dr. Marchlinski is board certified in cardiovascular medicine, electrophysiology and internal medicine.