Casualty patients are being urged to keep a diary to help improve care and treatment.
The initiative has been tabled by Worthing and Southlands Hospitals NHS Trust as part of a £115,000 study into reforms of emergency services.
More than 100 accident and emergency patients will be asked to fill in an eight-page diary to help identify any problems which might occur during their stay in hospital.
The trust is believed to be the first in the country to introduce an accident and emergency service for minor injuries which, since its introduction in September, has seen more than 2,500 patients, freeing up staff to treat more seriously ill patients and cutting waiting times.
Other proposals in the study include the appointment of an "emergency technician" to ensure patients get the right treatment more quickly and a care liaison nurse to act as a link between different health and social care agencies.
Meanwhile, surgeons and anaesthetists at Worthing Hospital are coming under the microscope to see how they are performing.
A major study looking at the success rate of more than 1,000 operations is underway.
After six months, a research team will be able to compare performance levels with those at other hospitals.
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