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.
Interactive art is art which allows the viewer to interact. For example it could be a painting which can be touched, sound which can be manipulated or perhaps even a piece whiâ¦ch can be climbed and played with.   Interactive can be highly enjoyable and increases the experience of the spectator.