QT Variability

Journal of Electrocardiology

Volumn 36, Issue SUPPL., 2003, Pages 83-87

  Berger, Ronald D ^a,b  

^a JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b JOHNS HOPKINS HOSPITAL   (United States)

Author keywords

QT interval; Repolarization; Signal processing

Indexed keywords

MYOSIN HEAVY CHAIN;

ADULT; ALGORITHM; CONFERENCE PAPER; CONGESTIVE CARDIOMYOPATHY; CONTROLLED STUDY; ELECTROCARDIOGRAM; FEMALE; HEART ARREST; HEART ELECTROPHYSIOLOGY; HEART MUSCLE ISCHEMIA; HEART RATE VARIABILITY; HEART REPOLARIZATION; HEART VENTRICLE ARRHYTHMIA; HUMAN; HYPERTROPHIC CARDIOMYOPATHY; MAJOR CLINICAL STUDY; MALE; PRIORITY JOURNAL; QT INTERVAL; SIGNAL PROCESSING;

EID: 0347989477     PISSN: 00220736     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jelectrocard.2003.09.019     Document Type: Conference Paper

References (19)

1. El-Sherif N: Reentrant mechanisms in ventricular arrhythmias, in Zipes DP, Jalife J (eds): Cardiac Electrophysiology: From Cell to Bedside (ed 2). Philadelphia, PA, Saunders, 1995 p 567
2. Haverkamp W, Shenasa M, Borggrefe M, et al: Torsades de pointes, in Zipes DP, Jalife J (eds): Cardiac Electrophysiology: From Cell to Bedside (ed 2). Philadelphia, PA, Saunders, 1995, p 885
3. Tomaselli GF, Beuckelmann DJ, Calkins HG, et al: Sudden cardiac death in heart failure. The role of abnormal repolarization. Circulation 90:2534, 1994
4. Volders GA, Sipido KR, Vos MA, et al: Cellular basis of biventricular hypertrophy and arrhythmogenesis in dogs with chronic complete atrioventricular block and acquired torsade de pointes. Circulation 98:1136, 1998
5. Algra A, Le Brun H, Zeelenberg C: An algorithm for computer measurement of QT intervals in the 24 hour ECG. Comput Cardiol 13:117, 1987
6. Pisani E, Pellegrini F, Ansuini G, et al: Performance evaluation of algorithms for QT interval measurements in ambulatory ECG recordings. Comput Cardiol 11:459, 1985
7. Laguna P, Thakor NV, Caminal P, et al: New algorithm for QT interval analysis in 24-hour holter ECG: Performance and applications. Med Biol Eng Comput 28:67, 1990
8. Merri M, Moss AJ, Benhorin J, et al: Relation between ventricular repolarization duration and cardiac cycle length during 24-hour holter recordings: Findings in normal patients and patients with long QT syndrome. Circulation 85:1816, 1992
9. Merri M, Alberti M, Moss AJ: Dynamic analysis of ventricular repolarization duration from 24-hour holter recordings. IEEE Trans Biomed Eng 40:1219, 1993
10. Sarma JSM, Singh N, Schoenbaum MP, et al: Circadian and power spectral changes of RR and QT intervals during treatment of patients with angina pectoris with nadolol providing evidence for differential autonomic modulation of heart rate and ventricular repolarization. Am J Cardiol 74:131, 1994
11. Berger RD, Akselrod S, Gordon D, et al: An efficient algorithm for spectral analysis of heart rate variability. IEEE Trans Biomed Eng 33:900, 1986
12. Saul JP, Arai Y, Berger RD, et al: Assessment of autonomic regulation in chronic congestive heart failure by heart rate spectral analysis. Am J Cardiol 61:1292, 1988
13. Zar JH: Biostatistical Analysis (ed 2). Englewood Cliffs, NJ, Prentice-Hall, 1984
14. Berger RD, Kasper EK, Baughman KL, et al: Beat-to-beat QT interval variability: novel evidence for repolarization lability in ischemic and nonischemic dilated cardiomyopathy. Circulation 96:1557, 1997
15. Day CP, McComb JM, Campbell RWF: QT dispersion: An indication of arrhythmia risk in patients with long QT intervals. Br Heart J 63:342, 1990
16. Barr CS, Naas A, Freeman M, et al: QT dispersion and sudden unexpected death in chronic heart failure. Lancet 343:327, 1994
17. Atiga WL, Fananapazir L, McAreavey D, et al: Temporal repolarization lability in hypertrophic cardiomyopathy caused by β-myosin heavy chain gene mutation. Circulation 101:1237, 2000
18. Epstein ND, Cohn GM, Cyran F, et al: Differences in clinical expression of hypertrophic cardiomyopathy associated with two distinct mutations in the β-myosin heavy chain gene: A 908 Leu-Val mutation and a 403 Arg-Gln mutation. Circulation 86:345, 1992
19. Atiga WL, Calkins H, Lawrence JH, et al: Beat-to-beat repolarization lability identifies patients at risk for sudden cardiac death. J Cardiovasc Electrophysiol 9:899, 1998