Doctors and nurses at the intensive care unit of a New Orleans hospital struggle with treating patients during Hurricane Katrina when the facility is without power for 5 days.Doctors and nurses at the intensive care unit of a New Orleans hospital struggle with treating patients during Hurricane Katrina when the facility is without power for 5 days.Doctors and nurses at the intensive care unit of a New Orleans hospital struggle with treating patients during Hurricane Katrina when the facility is without power for 5 days.