Ethics of resuscitation

Mr. Bednarik, 71 y.o., has been diagnosed with chronic left heart failure with NYHA dyspnoea category III.
In addition, Mr. Bednarik has BMI 36 and type 2 diabetes mellitus.
5-year survival rate would be 20-25%, the prognosis of heart failure progression in the coming years is very likely.
As an outpatient specialist (cardiologist), you decide to invite him for a personal health consultation. How would you do that?