Welcome to HCM,
Your wife is having essential hypertension
and she is to continue anti hypertensive medicine and keeping blood pressure record regularly.
At this age go for blood check up for blood sugar, S.cholesterol
, lipid profile
After reports your family doctor will change medicines accordingly.
If she is over weight then reduce her weight.
Have low salt diet, less carbohydrate
and fat in diet.
She should go for regular exercise like walking, swimming etc.
She should avoid stress.
Ok and bye.