Sergio Aguero lost consciousness shortly after the first half came to an end and, despite recovering seconds later, he was taken to the emergency room.
The City man was taken to hospital where he was checked for any potential damage and was kept under observation. Aguero managed to leave the dressing room in Krasnodar on his own.
The medical report carried out b Argentina doctors stated that Aguero had suffered a 'neurally mediated sincope' and was taken to hospital just in case.