You are here. Definition of Vascular Surgery. Vascular surgery encompasses the diagnosis and comprehensive, longitudinal management of disorders of the arterial, venous, and lymphatic systems, exclusive of the intracranial and coronary arteries.
The CSA Group (formerly the Canadian Standards Association; CSA), is a not-for-profit standards organization which develops standards in 57 areas. CSA publishes standards in print and electronic form and provides training and advisory services. CSA is composed of representatives from industry, government, and consumer groups.
Central sleep apnea. Central sleep apnea (CSA) or central sleep apnea syndrome (CSAS) is a sleep-related disorder in which the effort to breathe is diminished or absent, typically for 10 to 30 seconds either intermittently or in cycles, and is usually associated with a reduction in blood oxygen saturation.