Today, 41 years ago, on November 16, 1984 (Calendar, October 24, 1984), the longest surviving animal heart transplant survived a sudden death. Little Fey, an American girl who had undergone heart transplant, died suddenly on the evening of November 16, 1984 after surviving three weeks. According to doctors, Little Fey had gone through the struggle of rejecting foreign organs this week, but the situation suddenly worsened on the morning of October 16. Among all the surviving animal heart transplant operations in the world, this was the longest. Little Fey was born on October 12, and thirteen days later, due to an inherited heart defect, she had undergone a heart transplant at the University of Colorado Medical Center in California. Before that, four adults had undergone the same type of surgery, but the longest sur