Updated February 24, 2017. The mean or average birth weight in the United States is about 3,389g or 7 lb, 7.5 oz. However, any birth weight of a term newborn between 5 lbs, 8 oz and 8 lbs, 13 oz is considered to be normal. Baby Birth Weight Statistics.
Development of coronary stents. WALLSTENTÂ® (Schneider AG), a self-expanding, stainless steel wire-mesh structure, was the first coronary stent implanted in a human coronary artery by Sigwart et al. in 1986.
William J. Schroeder was one of the first recipients of an artificial heart at the age of 52. On November 25, 1984, Schroeder became the second human recipient of the Jarvik 7. The transplant was performed at Humana Heart Institute International in Louisville, Kentucky by Dr. William C. DeVries.illiam J. Schroeder was one of the first recipients of an artificial heart at the age of 52. On November 25, 1984, Schroeder became the second human recipient of the Jarvik 7. The transplant was performed at Humana Heart Institute International in Louisville, Kentucky by Dr. William C. DeVries.