The Dutch international only joined the Andalusian club two months ago after four years at Valencia, but there were fears his professional career could be over when the rare congenital condition was discovered three weeks ago.
However, after visiting the
A statement on Sevilla's website read: "
"These anomalies are rare and some of its variants are linked to sudden deaths, so it was vital to establish the type of anomaly and its risk profile for competitive sport.
"For this it was decided to consult with Dr
"The player was subjected to various tests in
"Dr Angelini's conclusion is that it is not a variant that poses a vital risk and that it has responded adequately to stress tests carried out. Therefore, the experts considered there was no need for surgery and no reason to stop professional activity.
"However, as a security measure, a device has been implanted which has the task of monitoring his heart rate during the next few months to maintain a comprehensive monitoring.
"The player will return to work in the next few days, although he cannot train with the group for two weeks, a period set aside to allow him to recover completely from one of the tests carried out."
Barcelona captain Carles Puyol is to undergo knee surgery to remove a cyst, the club says.