3Sotolongo. Total electrical altermans in pericardial tamponade. Am Heart J. 1981;101(67):853-855.
4Usher BW. Electrical alternans:Mechanism in pericardial effusion. Am Heart J. 1972;84(4):198-202.
5Marinella MA. Electrocardiographic manifestations and differential diagnosis of acute pericarditis. AM Fam Physician. 1998; 57 (4): 699-704.
6Spodick DH.Diagnostic electrocardiographic sequences in acute pericarditis.Significance of PR segment and PR vector changes. Circulation. 1973;48 (3):575-580.
7Baljepally R, Spodick DH. PR-segment deviation as the initial Electrocardiographic response in acute pericarditis. AM J Cardiol. 1998;81 ( 12 ):1505-1506.
8Kudo Y, Yamasaki F, Dio Y, et al. Clinical correlates of PR-segment depression in asymptomatic patients with pericardial effusion. J Am Coll Cardiol. 2002; 39( 12):2000-2004.
1Eisenberg MJ, de Romeral LM, Heidenreich PA, et al. The diagnosis of perieardial effusion and cardiac tamponade by 12-lead ECG. A technology assessment. Chest, 1996, 110: 318-324.
2Spodick DH. Electrocardiogram in acute pericarditis. Distributions of morphologic and axial changes by stages. Am J Cardiol,1974, 33: 470-474.
3Marinella MA. Electrocardiographic manifestations and differential diagnosis of acute pericarditis. Am Faro Physician, 1998,57: 699-704.
4Bruce MA, Spodick DH. Atypical electrpcardiogram in acute pericarditis: characteristics and prevalence. J Electrocardiol,1980, 13:61-66.
5Spodick DH. Anhythnias during acute pericarditis. A prospective study of 100 consecutive eases. JAMA, 1976, 235: 39-41.
8Spodick DH.Diagnostic electrocardiographic sequences in acute pericarditis.significance of PR segment and PR vector changes[J].Circulation,1973,48(3):575-580.
9Baljepally R,Spodick DH.PR-segment deviation as the initial Electrocardiographic response in acute pericarditis[J].Am J Cardiol,1998,81(12):1505-1506.
10Kudo Y,Yamasaki F,Dio Y,et al.Clinical correlates of PR-segment depression in asymptomatic patients with pericardial effusion[J].J Am Coll Cardiol,2002,39(12):2000-2004.