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 work of art, artwork, art piece, piece of art or art object is an aesthetic physical item or artistic creation. Apart from work of art, which may be used of any work regarded as art in its widest sense, including works from literature and music, these terms apply principally to tangible, portable forms of visual art: 1  An example of fine art, such as a painting or sculpture. An object that has been designed specifically for its aesthetic appeal, such as a piece of jewelry. An object that has been designed for aesthetic appeal as well as functional purpose, as in interior design and much folk art.