Minister for Justice, Equality and Law Reform v Murphy (2010) IESC 17
(1) A 'sentence of detention' under (Irish) European Arrest Warrant Act 2003 s10(d), read with the aid of the relevant Framework Decision, is any order involving deprivation of liberty which has been made by a criminal court in addition to or instead of a prison sentence. (2) This therefore includes a restricted hospital order made under s37/41 MHA 1983. (3) The appellant, who had escaped having been convicted of extraditable offences, was surrendered to the UK.
European Arrest Warrant page on Europa website - including full text of Council Framework Decision 2002/584/JHA of 13 June 2002 on the European arrest warrant and the surrender procedures between Member States