Heart failure occurs when the heart can't pump blood as well as it should. It can affect either the left side of the heart ...

This includes right-sided heart failure and left-sided heart failure. Heart failure, also known as congestive heart failure, is a condition that occurs when your heart either can’t fill up with ...

If you have chest pain on the left side, your first thought may be that you’re having a heart attack. While chest pain can be a symptom of heart problems, that’s not always the case.