Ключевые слова: angina, antianginal, artery, attack, beta, blocker, calcium, cardiac, cardiology, cardiovascular, care, channel, class, clinical, contraindication, coronary, diagnosis, disease, drug, effect, ekg, failure, heart, high, hypertension, infarction, inscription, ischemic, management, metoprolol, myocardial, nervous, nitrates, nitroglycerin, packing, pathology, pectoralis, pharmacology, pill, pressure, prevention, propranolol, protect, receptor, research, rhythm, sympathetic, system, treatment, vessel,