Dual-Chamber and VVI Implantable Defibrillator. A multicenter study comparing dual-chamber (DDDR) implantable cardioverter-defibrillator (ICD) therapy with single-chamber (VVI) ICD therapy in patients with low ejection fractions (40%) and standard ICD indications.
Art is a diverse range of human activities in creating visual, auditory or performing artifacts (artworks), expressing the author's imaginative or technical skill, intended to be appreciated for their beauty or emotional power.
A: Art serves many different functions, which are typically divided into personal, physical and social functions, explains About.com. Art benefits individuals and groups in a variety of different ways depending on the interplay between the individuals and the art and the type of artwork itself.