I HAV E A FRIENDS HUSBAND WHO HAS BEEN TOLD

I HAV E A FRIENDS HUSBAND WHO HAS BEEN TOLD IS INTHE EARLY STAGES OF DIMENIA, AT A RESTURANT SHE SAID HE TURNED WHITE IN THE FACE AND COUGHING WITH TEARS RUNNING DOWN HIS FACE THOUGHT HE WAS CHOAKING, WENT TO RENEW HIS DRIVERS LIC A DAY LATER AND THEY WOULD NOT RENEW UNLESS HE HAD A MEDICAL FORM THEY THOUGHT HE WAS CONFUSED, SHE SAYS HE ONLY ANSWERS QUESTIONS WITH A ONE WORD ANSWER, COULD THIS BE A TIA?