Poor fellow; the more so, for when my father practised as a GP (he retired in the 70s), surviving a coronary was unusual. Now, death is rare.
I used to have an Excel template for recording BP, I think by the
British Hypertension Society. Can't see it on their site anymore, but if anyone wants a copy, I still have one. You will find any number of tools, including some slightly frightening risk-predictors, and recommendations on monitors. The best thing anyone can do is stop smoking. I stopped on 15 August 1984.
I've been on a succession of anti-hypertensives, currently amlodipine. They all have side-effects, but even in my glummest moments, I realise they're better than being dead