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Thank you both, and thanks Sqad for the info, I was wondering why I wasn't finding anything concrete online.
He was on the 5mg patches for about six months with top up Oramorph 5-10ml during the day. We have no doubts that his GP acted with the very very best of intentions, that's not even something which has crossed our minds, it's the A&E staff that we're furious with as he was having quite a nice quality of life and was looking forward to doing lots of things recently. If he died of natural causes then we'll be delighted that nothing is amiss, but when people start lying about conversations and reasons etc it gives you pause for thought about why, so we're very much after some answers at the moment.
Thank you both once again x