Kimberly Hiatt killed herself after overdosing a baby, revealing the anguish of caregivers who make mistakes. JoNel Aleccia, MSNBC, June 27, 2011 For registered nurse Kimberly Hiatt, the horror began last September 14, the moment she realized she’d overdosed a fragile baby with 10 times too much medication. Stunned, she told nearby staff at the Cardiac Intensive Care Unit at Seattle Children’s Hospital what had happened. “It was in the line of, ‘Oh my God, I have given too much calcium,’” recalled a fellow nurse, Michelle Asplin, in a statement to state investigators. ... Nurse