Port Adelaide's playmaking midfielder left the ground in the first term after rolling an ankle in a marking contest, returning to influence the game significantly in the second and third quarters before being subbed out of the match.
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It's a similar circumstance to his skipper Travis Boak who last week rolled an ankle against Melbourne and went on to dominate proceedings after coming back onto the field.
Senior coach Ken Hinkley said he was hopeful Polec would pull up fit for the Swans game during his post-match press conference, while head of high performance Darren Burgess told portadelaidefc.com.au after the game he would be assessed during the week as per the club's normal procedures.
"We'll see how Jared pulls up at recovery and review him at training during the week like we normally would," Burgess said.
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Aaron Young also left the ground with shoulder discomfort midway through the game after being slung into the ground during a tackle, but returned to play out the game.
portadelaidefc.com.au will have a comprehensive injury update on Monday.