ST. PAUL, Minn.--(BUSINESS WIRE)--Transoma Medical, Inc., the leader in implantable wireless monitoring systems for biomedical research, announced that the first U.S. patients have received its Sleuth Implantable ECG (electrocardiogram) Monitoring System. The first implant was performed last week by Dr. John Hummel at the Ohio State University Medical Center in Columbus. Additional procedures were performed by Dr. Randy Lieberman, electrophysiologist at Heart Care Cardiology in Detroit; and Dr. Michael Gold, chief of cardiology at the Medical University of South Carolina in Charleston. The company received 510(k) marketing clearance from the FDA on October 1, 2007, and a phased U.S. launch is under way to introduce the product to physicians for their patients who experience infrequent, unexplained syncope (fainting).