Every Second Counts: The Race to Transplant the First Human Heart, Donald McRae, 2006, page 125.
https://books.google.com/books?id=2...r, Hardy had completed his stitching"&f=false
' . . . The quivering did not settle into a steady beat, and so Hardy, the sweat rolling down him, used a defibrillator to shock the chimpanzee heart. It immediately worked and, in Hardy's words, "a forceful beat was restored and supported a blood pressure of 90 to 100 mmHg."
'They stood around and watched, unsure whether or not they were witnessing a miracle or an aberration. "At least we're in business," Hardy said.
'They did not remain in the transplant business too much longer. After an hour the heart, which was far too small for the man it was meant to support, simply stopped. . . '