New figures show the number of people waiting on a trolley or ward for a hospital bed is at record levels.
Almost 8,000 patients were on trolleys last month, an increase of more than a quarter on August 2016.
The Irish Nurses and Midwives Organisation is meeting with the Health Minister this afternoon to discuss plans to reduce hospital overcrowding this winter.
Patient representative Stephen McMahon is also attending the meeting.
The statistics from the Irish Nurses and Midwives Organisation (INMO) say there were 7,781 admitted patients on trolleys in August, up 27% on 2016.
The INMO says 65,455 people were admitted for care in the first eight months of the year but had no bed.
It says this represents a 7% increase on 2016, but a 90% increase on 10 years ago 2007.
These latest figures come ahead of a meeting of the national Emergency Department Implementation Group to discuss the autumn/winter period.
The hospitals which experienced the highest levels of overcrowding in August were:
The INMO says it will be seeking implementation of all emergency measures identified in the taskforce report, including senior clinical decision makers rostered on an extended day basis over the seven days, nurse managers provided with full autonomy to recruit additional staff and for senior general managers to be present in the hospitals on a 24/7 basis.
INMO General-Secretary Liam Doran said: "There is no doubt that the level of attention required to manage trolley overcrowding has dropped in recent months.