This is Dr. David
stomach pains can cause your blood pressure to be high.
I hope they tested you for H Pylori infection when they did the upper endoscopy to look into your stomach when they saw stomach ulcers.
high blood gastrin levels can cause your stomach to produce excessive stomach acid.
you should go back to the hospital and ask for more testing.
why is your internal med doctor recommending an MRCP?
you need to consult a GI doctor.
you could have problems with your gall bladder.
you might need a HIDA scan of your gall bladder.
you need blood test to check amylase and lipase levels for pancreatitis.
you need blood tests to check for hepatitis liver infection.
do you drink alcohol?
did you have a gall bladder ultrasound yet? you could be having an ascending cholangitiis infection of bacterial going up into your biliary system causing elevation of your liver enzyme levels and elevation of WBC counts
did they put you on antibiotics yet?