MANCHESTER CITY legend Sergio Aguero feels that his heart "doesn't work properly" after being forced to retire.
Aguero had to roll credits on his glittering career last year while at Barcelona after experiencing chest pains and breathing difficulties during the first half of a 1-1 draw against Alaves on October 30.
The legendary striker was rushed to hospital and was diagnosed with cardiac arrhythmia, which led to him announcing his retirement during an emotional press conference in December at the age of 33.
The former Argentina international shared a health update and revealed that if he tries to play football he runs out of breath.
The former Atletico Madrid star added that he doesn't know if he will ever be able to sprint again.
Aguero said during a Twitch stream: "If I try to play football now, I run out of breath.
"Sometimes I wonder if I will ever be able to sprint again. I just feel like my heart doesn't work properly."
Aguero said earlier this month that the first 15 days after that match with Alaves were very difficult.
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The City great knew his condition was serious when he was left in a small room surrounded by monitors.
Aguero previously said: "The first 15 days I had a terrible time.
"When it happened, I thought it was nothing and that I was going to be fine, but when I arrived in the hospital and they left me in a small room alone with a lot of monitors around me.
"I realised something was bad. And after two days hospitalised, I started to become nervous."
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