Mainly discuss the commonest diseases of heart and arterials including ① degenerative vascular disorders including atherosclerosis, hypertension 2ischemic heart disease including myocardial infarction myocarditis and cardiomyopathy diseases of the pericarditis; ⑤ rheumatic fever; infective endocarditis (disorder of cardiac valvesMainly discuss the commonest diseases of heart and arterials, including : ◼ ①degenerative vascular disorders including atherosclerosis, hypertension; ◼ ②ischemic heart disease including myocardial infarction; ◼ ③myocarditis and cardiomyopathy； ◼ ④diseases of the pericarditis； ◼ ⑤rheumatic fever； ◼ ⑥infective endocarditis； ◼ ⑦disorder of cardiac valves