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.
Movement in a second sense: An art movement is an artistic trend or tendency seen in the intentions or works of a number of artists, because there is a striking similarity among the techniques or methods they have taken, or in the attitudes which they espouse in a (more or less) organized effort.