Patients presenting for gastrointestinal endoscopy at a group of public university-affiliated hospitals where most sedation is managed by anaesthetists, had a high risk profile and a substantial incidence of significant unplanned intraoperative events and 30-day mortality.

DNA double strand breaks mediated by high mass bay leaf fraction in HT-29 cells.

Physicians reported low confidence in their knowledge of radiation awareness and indicated the need for additional education, which would assist them in communicating the risks to patients. Furthermore, such education would assist physicians in tailoring their diagnostic imaging requests so as to minimise radiation levels in patients.