Around June 2008 he was diagnosed with a heart condition, but was allowed to resume his career after having a defibrillator implanted.

[1] A video clip showing Van Loo's defibrillator at work, shocking his heart back into a normal rhythm after he had suffered a cardiac arrhythmia during a match, was posted to YouTube on 8 June 2009.

After his visit, he heavily criticised the club's management, training, and the accommodation he was given during his stay before announcing "Never again!".

Officially the club stated that the reason for the transfer falling through was because he failed the medical.

In November 2018 he concluded, after a medical visit, that although his recovery was going well, he would never be able to return to his former level of play, leading him to announce his retirement from football.