There are at least four groups using this name. 1) Kardia is a Finnish rock band consisting of Kalle Sundström (guitar), Aki Räty (vocals and guitar), Toni Laroma (bass) and Jake Tuovinen (drums). They have released two albums: Lähellä (2005) and Kaukana kaikesta (2006). Website: http://www.kardia.fi/
2) Kardia is also Italian band consisting of Paolo (vocals), Alessandro, Pietro and Daniele.
3) Kardia is as well a rock band from Denmark consisting of Daniel Abrantes (Drums)