A controversial expert witness who pioneered electronic fetal monitoring gave a moment-by-moment analysis of what he called “the baby being injured” just before birth during a potential $50 million medical malpractice trial Wednesday in Cobb County State Court.

Under direct examination by plaintiffs attorney Tommy Malone, Dr. Barry Schifrin, who teaches medical students at the University of California, Los Angeles, interpreted fetal heartbeat tracings during Lori Sutton’s labor up through the birth of her son.