Lotulelei's left ventricle is only pumping blood at 44 percent, below the normal threshold between 55 and 70 percent.
As a result, he will head back to Salt Lake City for further tests.
This is a potentially serious issue for a player who was projected as one of the top prospects at his position in the NFL Draft.
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Terry McCormick covers the Titans for TitanInsider.comFollow @footballpost on Twitter for the latest news
This story originally appeared on Nationalfootballpost.com
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