A Cook County judge has upheld a $4.1 million wrongful-death verdict against a suburban nursing home awarded in July.Dolores Trendel’s family alleged Clare Oaks and two staff members failed to manage her blood-thinning medication causing her to suffer a stroke in 2011.After the six-day jury trial before Circuit Judge Thomas V. Lyons II, the Bartlett facility asked the court to overturn the verdict, contending medical witness’ testimony unfairly speculated about conduct by Clare Oaks unrelated to the case.Clare …