Minor Heart Attack. Can we go ayurvedic?

My father faced a minor heart attack on 04th Nov, Severe pain in the Left side Chest, Left shoulder and have breathing problems. Immediate Dr apply injection Retelex . After that Admitted in AIIMS Bhopal they have done ECG, blood test and Echo test which report said all normal. He is not habitual of any kind of tabocco product, no drinks, no nonveg, no drugs. There is no history of any kind of medication like bp sugar etc.( He is a farmer) Then 09 Nov we have done Angiography test which is indicated some blockage, Attaching all my father reports for the best suggestion. Can we go ayurvedic? Please suggest the best option as per your experience. Age 63 yrs Profession - Farmer Weight 55kg Height -5'2"