1Harrison DC. Ambulatory eletrocard-iog raphy for diaghosis and treatment of Cardiacarrhy thmia. N Engl J Med, 1976, 294:373-380.
2Gersten G. Age Changes in myocardial function and execise response. Prog Cardiovasc Pis 1976, 77:5-50.
3Aronow W s: Correlation of atrial fi-brillation with presence or absence of mitral Anular calcium in 604 persons older than 60 years. Am J Caradiol, 1987, 50:1213-1214.
2Kochiadakis GE,Igoumenidis NE,Hamilos MI,et al.Long-term maintenance of normal sinus rhythm in patients with current symp- tomatic atrial fibrillation: amiodarone vspropafenone,both in low doses[J].Chest,2004,125(2):377-383.
