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.
Audience member, supporter, or critic (indirectly involved or associated with the artistic or cultural activity) The arts and culture sector is continually developing and changing. Further, the ways in which arts and culture activity is defined, manifested, and valued vary somewhat by locality and community.