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Hiss RG, Lamb LE. Electrocardiographic findings in 122,043 individuals. <i>Circulation<\/i> 1962; 25: 947\u2013961.","DOI":"10.1161\/01.CIR.25.6.947"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2. Ng GA. Treating patients with ventricular ectopic beats. <i>Heart<\/i> 2006; 92: 1707\u20131712.","DOI":"10.1136\/hrt.2005.067843"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Lin CY, Chang SL, Lin YJ, Lo LW, Chung FP, Chen YY, et al. Long-term outcome of multiform premature ventricular complexes in structurally normal heart. <i>Int J Cardiol<\/i> 2015; 180: 80\u201385.","DOI":"10.1016\/j.ijcard.2014.11.110"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Lin CY, Chang SL, Lin YJ, Lo LW, Chung FP, Chen YY, et al. An observational study on the effect of premature ventricular complex burden on long-term outcome. <i>Medicine<\/i> 2017; 96: e5476.","DOI":"10.1097\/MD.0000000000005476"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5. 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Class IC antiarrhythmic drugs for suspected premature ventricular contraction-induced cardiomyopathy. <i>Heart Rhythm<\/i> 2018; 15: 159\u2013163.","DOI":"10.1016\/j.hrthm.2017.12.018"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Oomen AWGJ, Dekker LRC, Meijer A. Catheter ablation of symptomatic idiopathic ventricular arrhythmias: A five-year single-centre experience. <i>Neth Heart J<\/i> 2018; 26: 210\u2013216.","DOI":"10.1007\/s12471-018-1085-5"},{"key":"14","unstructured":"14. Stec S, Sikorska A, Zaborska B, Krynski T, Szymot J, Kulakowski P. Benign symptomatic premature ventricular complexes: Short-and long-term efficacy of antiarrhythminc drugs and radiofrequency ablation. <i>Kardiol Pol<\/i> 2012; 70: 351\u2013358."},{"key":"15","doi-asserted-by":"crossref","unstructured":"15. Zhong L, Lee YH, Huang XM, Asirvatham SJ, Shen WK, Friedman PA, et al. Relative efficacy of catheter ablation vs. antiarrhythmic drugs in treating premature ventricular contractions: A single-center retrospective study. <i>Heart Rhythm<\/i> 2014; 11: 187\u2013193.","DOI":"10.1016\/j.hrthm.2013.10.033"},{"key":"16","unstructured":"16. Im SI, Kim SH, Kim BJ, Cho LI, Kim HS, Heo JH. Association of frequent premature ventricular complex &gt;10% and stroke-like symptoms without a prior diagnosis of stroke or transient ischemic attack. <i>Int J Cardiol Heart Vasc<\/i> 2018; 19: 58\u201362."},{"key":"17","doi-asserted-by":"crossref","unstructured":"17. Park KM, Im SI, Chun KJ, Hwang JK, Park SJ, Lim JS, et al. Coupling interval ratio is associated with ventricular premature complex-related symptoms. <i>Korean Circ J<\/i> 2015; 45: 294\u2013300.","DOI":"10.4070\/kcj.2015.45.4.294"},{"key":"18","doi-asserted-by":"crossref","unstructured":"18. Lang RM, Bierig M, Devereux RB, Flachskampf FA, Foster E, Pellikka PA, et al. Recommendations for chamber quantification: A report from the American Society of Echocardiography\u2019s Guidelines and Standards Committee and the Chamber Quantification Writing Group, developed in conjunction with the European Association of Echocardiography, a branch of the European Society of Cardiology. <i>J Am Soc Echocardiogr<\/i> 2005; 18: 1440\u20131463.","DOI":"10.1016\/j.echo.2005.10.005"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19. Stec S, Tarnowski W, Kalin K, Sikora K, Kulakowski P. High-resolution esophageal manometry with ECG monitoring for management of premature ventricular complexes-associated dysphagia. <i>Dysphagia<\/i> 2010; 25: 66\u201369.","DOI":"10.1007\/s00455-009-9231-2"},{"key":"20","doi-asserted-by":"crossref","unstructured":"20. Stec S, Zaborska B, Pilus A, Lewandowski P, Kulakowski P. 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Hemodynamic change during premature ventricular contraction with different sites of origin and coupling intervals in dogs. <i>Korean Circ J<\/i> 1999; 29: 697\u2013704.","DOI":"10.4070\/kcj.1999.29.7.697"},{"key":"24","doi-asserted-by":"crossref","unstructured":"24. Cohn K, Kryda W. The influence of ectopic beats and tachyarrhythmias on stroke volume and cardiac output. <i>J Electrocardiol<\/i> 1981; 14: 207\u2013218.","DOI":"10.1016\/S0022-0736(81)80001-5"},{"key":"25","doi-asserted-by":"crossref","unstructured":"25. Laurent G, Leong-Poi H, Mangat I, Korley V, Pinter A, Hu X, et al. Influence of ventriculoatrial timing on hemodynamics and symptoms during supraventricular tachycardia. <i>J Cardiovasc Electrophysiol<\/i> 2009; 20: 176\u2013181.","DOI":"10.1111\/j.1540-8167.2008.01276.x"},{"key":"26","doi-asserted-by":"crossref","unstructured":"26. Thibodeau JT, Turer AT, Gualano SK, Ayers CR, Velez-Martinez M, Mishkin JD, et al. Characterization of a novel symptom of advanced heart failure: Bendopnea. <i>JACC Heart Fail<\/i> 2014; 2: 24\u201331.","DOI":"10.1016\/j.jchf.2013.07.009"},{"key":"27","doi-asserted-by":"crossref","unstructured":"27. Hasdemir C, Ulucan C, Yavuzgil O, Yuksel A, Kartal Y, Simsek E, et al. Tachycardia-induced cardiomyopathy in patients with idiopathic ventricular arrhythmias: The incidence, clinical and electrophysiologic characteristics, and the predictors. <i>J Cardiovasc Electrophysiol<\/i> 2011; 22: 663\u2013668.","DOI":"10.1111\/j.1540-8167.2010.01986.x"},{"key":"28","doi-asserted-by":"crossref","unstructured":"28. Yokokawa M, KimHM, Good E, Chugh A, Pelosi F Jr, Alguire C, et al. 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