Limerick say that Aaron Gillane is only rated as 50-50 for next week’s All Ireland hurling final with Waterford.
The forward spent Sunday night in hospital after taking a knock to the back in the semi-final win over Galway.
Meanwhile, David Dempsey is dealing with a hamstring injury and will be assessed tomorrow night.
Waterford have no such concerns, with Shane Fives back in contention for Sunday-week's big day at Croke Park having missed their last two games.
But speaking at the pre-All Ireland press briefing, Limerick selector Donal O'Grady outlined the issue with Gillane, "He took a heavy hit [against Galway], I think he had some breathing difficulties after.
"Our doctor deemed it necessary for him to head to the Mater. They kept him overnight as a precaution.
"They were slightly concerned but he was released the following day which was great.
"He came in to see us on Tuesday night but obviously didn’t train. So hopefully we’ll know more towards the weekend."
O'Grady says it's just the latest injury with which Gillane has had to contend this year. A hand injury required surgical intervention.
"He went for an operation, it was actually not as bad as first feared," the selector said, "It was a ligament injury as far as I know.
"He possibly should have taken a couple of weeks to leave that recover, but really wanted to get his fitness and get his hurling back as quickly as possible.
"He basically just played through the pain barrier. He is playing with that slight finger strapped or whatever, but no tougher man than himself.
“He had a hamstring injury – you can’t escape from them either – earlier on in the season.
"I think he just made this miraculous recovery from it, which is a great sign of him.
"He does take a lot of punishment inside on the edge of the square. He’s well able to mind himself though which is great."
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