November 3, 2011 – New study indicates strong diagnostic ability of treadmill exercise stress testing to uncover Long QT syndrome (LQTS) in patients.  Here, investigators from the Mayo Clinic show how the recovery phase displays significant and maladaptive changes in the QTc unveiling the most common LQTS type, LQT1. The study, published in the November edition of HeartRhythm, the official journal of the Heart Rhythm Society, is the largest, single-center study of treadmill exercise stress testing in patients with genetically proven LQTS as well as those who were dismissed as normal.

November 1, 2011 – Claret Medical Inc. said its Montage System has received CE mark approval as the world's first complete system of filtration to protect both carotid arteries simultaneously. The 6 French catheter is delivered via radial or brachial access, providing complete neuro protection during intravascular procedures such as transcatheter aortic valve intervention (TAVI). The unique design of the Montage System not only provides neuro-protection from debris, but also captures and removes potential stroke-causing embolic material from the body.