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Thank you SunnyDave, wish I had seen that site a couple of years ago. Not sure any of it will help at this time, trying to balance the Alzheimers and the Cancer, currently he is struggling to stay alert for more than a few minutes.
Now if only that camera could send out his pulse rate along with the picture and sound - I'd be sorted.
He was so very still, for so long, we were not sure he was still with us, hence me hurrying home this afternoon.