Planned surgeries that aren't urgent have been postponed at Beaumont Hospital.
It's the second Dublin hospital to take the step in a bid to ease pressure on nurses dealing with overcrowding in the Emergency Department.
The Mater did the same thing yesterday
Health Minister Leo Varadker says the cancellation of elective surgeries is part of measures agreed with nurses to ease pressure in EDs.
The head of the Irish Medical Organisation, Dr Ray Walley, says it has knock-on effect on GPs.
'Ten years since we declared a national emergency and it's become the norm, week in, week out. And the knock on effects mean GPs are having to re-refer patients who were referred for surgery or referred to outpatients a year or two years ago'