Hi Stacey,
After reading your post, the best suggestion I can give you is to tell the doctor EVERYTHING your husband has been experiencing. They can't treat him if he doesn't tell them everything.
We men are stubborn to a point of negligence to ourselves....I too, have had my moments but my partner and caregiver won't have any of it! She comes out and tells them stuff I don't ~lol~
That blood pressure reading is awfully low. Is he on BP meds? If so, they should look at the dosage. If he's lost that much weight, they may need to lower it. They just did that to me as my BP was getting low. I've lost a bit of weight since this whole thing started last year.
Positive thoughts and prayer...
"T"