By STEPHEN FARBER If you grew up in the 1980s, you probably remember Press Your Luck. Contestants stood in front of a flashing game board chanting, “Big bucks… no Whammies… STOP!” hoping the next square held cash instead of the mischievous cartoon character that erased everything they had won.For years, assembling your own medical history felt remarkably similar.You knew you had been treated at one hospital years ago, had imaging performed somewhere else, saw specialists who later retired, and changed insurance more than once along the way. One patient portal showed part of the story....