What are the risk factors and describe the classical symptoms of coronary artery disease ?Risk factors for heart disease include smoking, high blood pressure (hypertension), high cholesterol, diabetes, family history, peripheral artery disease and obesity.The typical symptoms of coronary artery disease are chest pain associated with shortness of breath. Classically, the pain of angina is described as a pressure or heaviness behind the breast bone with radiation to the jaw and down the arm accompanied by shortness of breath and sweating.Watch the video clip “Angina - Causes, Symptoms, Treatments & More”, answer “What are three types of angina?"Stable angina is the most common type. It happens when the heart is working harder than usual. Stable angina has a regular pattern rest and medicines usually help.Unstable angina is the most dangerous. It does not follow that pattern and can happen without physical exertion. It does not go away with rest or medicine. It is a sign that you could have a heart attack soon.Variant angina(变异型心绞痛) is rare. It happens when you are resting. Medicines can help.