. . "Understanding angina" . . . "Shows how the heart works and how atherosclerosis causes the symptoms of angina. Treatments such as medications, lifestyle changes, and possible interventional procedures are covered. The use of nitroglycerin to relieve symptoms is demonstrated. Patients are encouraged to identify their angina triggers and to seek immediate help if they feel they are experiencing unstable angina." . . . . . "Coronary Artery Disease Popular Works." . . "Angina Pectoris etiology Popular Works." . . . . "Angina Pectoris therapy Popular Works." . .