http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. University of Adelaide research has shown for the first time that obesity directly causes electrical abnormalities of the heart. http://medicalxpress.com/news/2011-08-links-obesity-heart-rhythm-disorder.html Cardiology Tue, 16 Aug 2011 09:21:22 EST news232705236 The electrophysiology team at the Montreal Heart Institute (MHI) used cryoablation (ablation using cold) to treat a patient suffering from atrial fibrillation, the most common form of cardiac arrhythmia, and one associated with significant morbidity. The procedure was performed by Dr. Peter Guerra, Chief of Electrophysiology, and Dr. Marc Dubuc, cardiologist and specialist in electrophysiology. This was a first in Canada following the approval of the Arctic Front device by Health Canada. http://medicalxpress.com/news/2011-05-cryoablation-successfully-atrial-fibrillation-montreal.html Cardiology Wed, 11 May 2011 08:59:04 EST news224323120