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.
What is the pop art movement? Pop art was a cultural movement that was born in the mid 20th century in England, from where it spread overseas within a matter of years to the U.S. Pop art focuses on popular culture instead of more elitist fine art, and values the seemingly unimportant and everyday experience, incorporating commentary on mass media, comic books, and other profane, common material.