Bryon,
I had my gallbladder removed many years ago. I did not have severe atttacks like many people have but instead had gitty sand in my gallbladder that just gave me a dull pain that just kind of hung out.
Sudden, steady and moderate to intense pain in your upper middle or upper right abdomen may signal a gallbladder attack. The pain may occur one to two hours after eating but may also occur at other times — even at night. It can last about 30 minutes to several hours. Gallbladder pain usually starts in your upper middle or upper right abdomen and, on occasion, may shift to your back or right shoulder blade. After the pain subsides, you might have a mild aching or soreness in your upper abdomen that can last for up to a day or so. If you've had one gallbladder attack, the odds are about seven in 10 that you'll have additional attacks
Nausea and vomiting may accompany a gallbladder attack.
An ultrasound or CT of her gallbladder should reveal if she has gall stones and I would think if she is in so much distress her physician could schedule that right away. We used to do them in the ER for patients.
Give your wife my best and do take her where you feel she will get the best care.
Kitt