He spent the night in the emergency room from 11PM last night until 11AM this morning. Earlier in the evening, he felt numbness in his arm, and it slowly spread to his leg, neck, and even scalp. The CAT scans showed no swelling, so the doctor doesn't seem concerned about it, and wants to continue reduction of the steroids. This kind of numbness can be part of the healing process as his brain starts to heal and reconnect.
This event knocked quite a bit of optimism out of his sails, so prayers for his personal outlook would be helpful.
You might avoid phone calls to them for the day. They are both pretty tired after being up all night at the hospital.