Nursing manager Linda Bevan said there were "omissions in a number of areas in Paul's care".
She is now being questioned about changes since Mr Ridd's death. His special needs meant he couldn't communicate very well and nurses didn't notice how much he had deteriorated.
Nursing manager Linda Bevan says nurses should have consulted Mr Ridd's family to help recognise his signs of distress.
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It will remain breezy with further blustery and at times thundery showers.
Here's our gallery of some of your St David's Day pictures.
Showers becoming increasingly wintry even to lower levels, bringing an ice risk.