MGC Diagnostics Corporation, formerly Angeion Corporation, is a medical device manufacturer. The Company, through its Medical Graphics Corporation subsidiary, designs and markets non-invasive, cardio-respiratory diagnostic systems that are sold under the MedGraphics and New Leaf brand and trade names. Primary MedGraphics brand products include pulmonary function (PFT) and cardiopulmonary gas exchange (GX) testing systems. These cardio-respiratory diagnostic systems have a range of applications in healthcare, wellness and health and fitness. The Company also sells its cardiorespiratory diagnostic systems and services to clinical research customers for use in conducting drug and device clinical trial studies both in the United States and internationally. also sells some of its cardiorespiratory diagnostic systems together with other consumable products under the New Leaf brand. Effective August 28, 2012, the Company sold the assets of its New Leaf business to Life Time Fitness, Inc.