The Health Service Executive (HSE) is preparing to turn Ireland’s biggest hotel into a field hospital for patients infected with the coronavirus.  The Currency has learned that the HSE is close to agreeing a deal with the owners of the Citywest Hotel, investment firm Tetrarch Capital. Talks have been ongoing for at least two weeks as the HSE rapidly ramps up its response to the pandemic.  Citywest has 756 rooms and 6,900 sq metres of event and conference arena along with 4,000 square metres of additional meeting and event space. All available space is going to be used to fight…