Ooh, exciting times in the Arctic wastes. Every time I look at photos of London under a quarter inch of snow my heart goes out to them, but I expect as usual it's a lot worse elsewhere round Britain.
Gastro lady seemed smart, sent OH for a blood test and should be able to have a gastroscopy tomorrow or the next day. She thinks there may be a blockage, which sounds very likely, but it might just be the cocktail of omaprazole, antibios, antacids and whatnot OH has been taking (under orders).
OH hasn't actually brought anything up today, which may be a good sign or may just be like the rattle going away the minute you drive into the repair shop.