Vasovagal Syncope. We can do for him?

My father had Mazor Heart Attack and on 5th April,two Artries r okay and 100% Blockage in One Artrie,so He Got 2 Stents there.his Pumping Power is 20% on 19th april..and After that he is recovering but his pumping power not checked yet. After That he Was Okay till 15 Days,after 15 days he had vasovagal syncope two times. His BP was low that Time 82/50/67 After lying down He is Normal BP is Normal. But We dont want more vasovagal Syncope. We r too much frieghtened. We cant loose Him.🙏 Cholestrol Tablet - Rozawel 20 mg and Atorvas 20 mg didn't Suit Him. Which tablet can Give him ?? And more Tablets who take daily Tab Brilinta - 1-1 Tab Inapure - 1-1 Tab Dytor plus 20 mg - 1 after brrakfast Ecosprin 75 mg - 1, 10 pm Daily Rozawel and atorvas 20 doesn't suit so he cant take Suggest any othr,His BP culture is Usually Low from his childhood. He is Very Cool by Nature and Very much positive. What can we do for inscrease Pumping Power?? And What we can Do for Him?? Please suggest best 🙏🙏