Vaea had symptoms of the heart condition throughout pre-season training .
Medical staff were happy with how Vaea managed the condition until Vaea 's leg was starting to swell up , Vaea him to leave the field Vaea 's his last game against the Waikato Chiefs two weeks ago .
Vaea had symptoms of the heart condition throughout pre-season training but medical staff were happy with how he managed the condition until his leg was starting to swell up , forcing him to leave the field in his last game against the Waikato Chiefs two weeks ago .