Okay, an update on Jack and how things are going.

I rang a vet this morning, called Cardiff Cat Clinic, they are a cat only practice. As it was a Sunday, I had to ring the emergency line, this transferred me to an emergency practice that covers a number of vetinary practices in the Cardiff area on weekends.
I took him in to be examined.
The vet checked his heart, lungs and pulse. He couldn't feel his pulse as it was quite weak, and he also said his temprature is quite low. His heart was beating so fast he couldn't count it, he says there is something going on with his heart and it's quite bizarre to be so high, and also that it might have a murmur.
So he's keeping him in for the night, and has given him an injection of atenolol (the same medication the PDSA vet gave me in tablet form) to stabalise him and help bring his heart rate down, he may also give him some oxygen.

We have to ring between 4-6 pm to see how he is doing and if the injection has helped.
As it's an emergency vets they can only keep him until 8.00am tomorrow morning, then he can be transferred to a vet of our choice. I am NOT taking him back to the PDSA. I will try and get him into the Cardiff Cat Clinic practice tomorrow morning, get him registered and then try and get him treated.
The vet said that as they have now looked at him, the PDSA probably won't take him back again as they are a charity and sometimes they don't accept animals back, this doesn't matter to me as I'm not taking him back anyway, I said money isn't an option, I want to get the best treatment for him. PDSA only do basic things and simply wouldn't have the money for the work he needs done.
The vet said he needs to have blood tests, and a chest X-ray to see what is going on with his heart. He also said it is possible it could be his other thyroid gland as they sometimes break down too after over compensating after the removal of the oppostite one. But most inportantly he thinks he should have blood tests and get a chest X-ray.

Naturally he explained that when he gets an X-ray he will have to have an anaesthetic and this is dangerous considering he's quite ill. I accept this that he could possibly die from it, but It needs to be done to treat him.

I am prepared to let him be treated and if he happened to pass away then I would feel much better the fact that he passed on being treated properly by a good vet. I will accept that, I could not however accept just having him put to sleep or letting him die of a heart attack at home. I would never have recovered from that.

So he'll stay in overnight and we pick him up at 8.00am tomorrow morning. He'll stay stabalised, providing he doesn't deteriorate then the vet would do the chest x-ray and blood tests himself, but I do think he'll be okay having the injection to reduce his heart rate.
I am praying he'll stay stablised overnight and I can get him registered and start trying to find out what's wrong with him at the Cats clinic asap tomorrow.

So that is what is happening, I miss him already, the house is empty without him, but I am comforted knowing he's being looked after and is stable and not in any specific danger for the time being.

Kate