Federal investigators have found conditions at a Brooklyn hospital where a woman died on a waiting room floor "disturbing," "highly dangerous" and requiring "immediate attention."

The yearlong investigation by the Department of Justice documented a pattern of "inadequate care," violence and sexual abuse at Kings County Hospital Center in Brooklyn.

City Health and Hospitals Corporation President Alan D. Aviles says the unit "too often failed" its patients.

The 58-page DOJ report was released on Thursday as the city announced a new $153 million psychiatric center, increased mental health staffing and updated protocols for staff at the Brooklyn hospital.

Forty-nine-year-old Esmin Green had been in a waiting room at the hospital for nearly 24 hours when she collapsed and died on June 19, 2008.