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.
Art is a diverse range of human activities and the products of those activities, usually involving imaginative or technical skill. In their most general form these activities include the production of works of art, the criticism of art, the study of the history of art, and the aesthetic dissemination of art.he form of a particular work of art is determined by the formal qualities of the media, and is not related to the intentions of the artist or the reactions of the audience in any way whatsoever as these properties are related to content rather than form.