By Sean Walsh Tests carried out on Frida Maanum have revealed ‘no obvious cardiac causes’ behind her collapse during Sunday’s Conti Cup final, Arsenal have announced. Maanum worryingly fell to the ground with no one around her towards the end of the regulation 90 minutes of an eventual 1-0 win against Chelsea at Molineux. Medical staff from both clubs tended to her for an extended period before she was removed from the pitch, with the Gunners confirming before the end of the game that she was stable and conscious. In a statement on Thursday, Arsenal explained Maanum will undergo further testin…