Heart conditions are medical conditions that affect the heart and its ability to function properly. ACHES is a common symptom of many heart conditions, such as angina, arrhythmia, and coronary artery disease. Other symptoms may include chest pain, shortness of breath, fatigue, and dizziness. Heart conditions can be caused by lifestyle factors, such as smoking, high cholesterol, and obesity, or by genetic factors. Treatment for heart conditions may include lifestyle changes, medications, or surgery.