If you live with a heart condition, have a sense for what level of physical activity results in fatigue, palpitation, dyspnea (shortness of breath), or angina pain. Communicating these details to your physicians will help them document the medical extent of your condition. Learn as much as you can about your medical condition. With your physician's guidance, focus on what you can do to improve outcomes.
Sadly, heart conditions are among the most volatile. Have you: Resolved your estate and will situation? Anticipated the possible need for decisions to be made when you cannot make them? Considered powers of attorney, healthcare directives like living wills, or other documents?