I'm very surprised that you've been allowed home with a pericardial effusion.
In my case I'd had pericarditis a few times but when I had an effusion it felt totally different. I'd been in A and E and had pericarditis confirmed but was discharged and told to come back to clinic the following...
I haven't posted on here yet but it sounds like you're experiencing recurrent pericarditis which as I'm sure you're aware is very rare. Unfortunately it's a condition that isn't very well known and as such treatment methods also aren't necessarily the best!
I had a few bouts of pericarditis and...
Perfect roast pots. Use Maris pipers, peel keep them large enough so you can get them crispy whilst soft in the middle I usually cut larger ones in half. Soak in salted cold water for at least 30 mins. Put onto the boil, once boiling bring to a rolling simmer and set a timer for 5 mins...
Good new option would be the rook which is where the Brighton beer dispensary used to be. Also Brick on nearby Preston street has a good craft beer selection centred more towards Lager.