Whats more central exercise or diet for heart patients?

I know you need both for vigour but which is the more impotant thing correct diet or exercise for the most benefit of the heart muscleWhats more central exercise or diet for heart patients?
I would voice diet.even with ordinary, daily events your heart muscle gets some exercise.but if your diet is illustrious fat and cholesterol, and dignified calorie, then even a nutritious muscle will fail if the arteries supplying the blood to it become blocked...
I'd say aloud exercise
Excericse. Do NOT believe the anti saturated chubby MYTH
Both are extremely important, and I would not sacrifice one for the other. I enjoy heard alot just about the Mediterranean diet lately for heart health which emphasize good or well fats over unpromising ones, i.e. using olive oil or canola grease instead of saturated fat and oils. And exercise, especially walking, is really important too, the heart is a muscle and similar to all of our other muscles, desires to be used and exercised.