The HSE says the attack has caused disruption to a number of services.
The HSE says the attack has caused disruption to a number of services, after their IT systems were shut down as a precaution.
Most healthcare appointments will go ahead as planned, but x-ray appointments are severely affected.
The HSE says there are some service disruption expected into next week at the Dublin Midlands Hospital Group.
People are being advised to attend their appointments as scheduled unless they hear otherwise from the hospital.
The HSE is apologising for any inconvenience but says patients can expect some delays due to the ongoing issue.
Updates on service disruption will be posted on the HSE Service Disruption Website https://www2.hse.ie/services/hospital-service-disruptions/hospital-service-disruptions-covid19.html and on the hospital Twitter accounts.
Emergency Services will remain open across the Dublin Midlands Hospital Group but remain extremely busy.
People are being asked to consider their care options and only attend the ED in an emergency. Non urgent patients may expect long delays in being seen.
Statement from the HSE:
Current available information on Hospital Disruptions:
Midlands Regional Hospital Portlaoise: Emergency services continue. All routine radiology appointments are cancelled. We regret any inconvenience and appointments will be rescheduled asap.
Midland Regional Hospital Tullamore: Emergency services continue. All routine radiology appointments are cancelled. We regret any inconvenience and appointments will be rescheduled asap.
Naas General Hospital: Some outpatient appointments have been cancelled for Monday 17th May. The hospital will contact patients directly. We regret any inconvenience and appointments will be rescheduled asap.
Coombe Women & Infants University Hospital: Outpatient appointments are still going ahead but there may be some delays from time to time. Please bear with our staff who are doing everything they can on your behalf.
St Lukes Radiation Oncology Network: all outpatients appointments and all non-emergency Radiation Treatment have been cancelled for Monday, 17th May, across St Luke's Radiation Oncology Network sites: St. Luke's Hospital Rathgar; St. Luke's Centre at Beaumont Hospital; St. Luke's Centre at St. James's Hospital. If you feel unwell or symptomatic please contact your usual St. Luke's Centre directly, the team are available to take your call. We apologise for the impact that this has on our patients at this time.
Tallaght University Hospital: Please only attend the ED if you require urgent care. All routine Radiology outpatient appointments cancelled. We regret any inconvenience and appointments will be rescheduled asap.