Off duty staff at the South West Acute Hospital in Enniskillen were called on to help relieve pressure in other hospitals yesterday.
The Northern Ireland health system has been under increasing pressure due to the Covid-19 pandemic.
Ambulances were queued outside Daisy Hill Hospital in Newry on Saturday night.
The Craigavon area Hospital was also under pressure, with claims it was "on its knees" due to the number of patients.
The Western Health Trust had appealed for off duty staff from Enniskillen hospital to make contact in a bid to alleviate pressure.