A dialysis patient has to constantly try to keep their mineral levels in balance because any elevation of potassium, phopherous or phosphate can cause severe damage to the heart if left elevated for too long a period. Same thing for diabetes. Blood glucose out of balance for too long will eventually affect the heart.
The chart above shows signs of heart attack for men and women. Note that women do experience different symptoms which can be mistaken for other things.
Be nice to your heart and learn the symptoms that warn you of the biggie.