Manager of Mayo University Hospital outlines impact of cyber attack Published: Monday, 17 May 2021 11:34 The ransomware attack on the HSE's IT system is continuing to have a major impact on hospital services across the region. At Mayo University Hospital, all outpatient clinics are cancelled. All elective surgery is cancelled also, although the hospital says a small number of procedures may go ahead, and these patients will be contacted directly. All diagnostics - including X-ray, CT and MRI scans and cardiac investigations are cancelled, as are endoscopy service. Those attending the hospital's Emergency Department are also being advised of significant delays, due to the cyber attack.