This story is part of a series: Inside Ireland's Covid Battle Staff in intensive care units deal with life and death situations every day of their lives.
The Intensive Care Unit in St James's Hospital is no different. "When you come into ICU, you never know what you're going to be faced with.
ICU nurses go towards the fire, rather than away from it," one ICU nurse told RTÉ. But the onset of Covid-19 has added another layer of complexity.
In May, during filming in St James's non-Covid ICU, it suddenly emerges a patient who had previously tested negative for Covid-19 on three occasions has now shown up as positive. "This patient had three prior swabs which were negative, and by swabs, I mean tests for Covid which were negative, and he