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 personal and cultural phenomenon which now and then motivates some people to express some of their ideas in a variety of shapes and ways.Some people create art to communicate something; others do it to express something; others, to avoid something from being understood but still express it.rt is a personal and cultural phenomenon which now and then motivates some people to express some of their ideas in a variety of shapes and ways.