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Katerina Hnatkova

Research Profile

Disorders

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Electrocardiography, Ambulatory

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Computer-Assisted Signal Processing

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Anatomy

Heart Conduction System

Chemicals & Drugs

Anti-Arrhythmia Agents

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Publications

TOP 3
Marek Malik; Katerina Hnatkova; James J Keirns; Donna Kowalski; E Marcel van Gelderen
Importance of subject-specific QT/RR curvatures in the design of individual heart rate corrections of the QT interval.
Ondrej Toman; Irena Andrsova; Katerina Hnatkova; Radmila Jenysova; Lenka Manouskova; Tomas Novotny; J Parenica; M Poloczek; Martina Sisakova; Jindrich Spinar; Marek Malik
Effect of atorvastatin on dynamic parameters of myocardial repolarization in healthy subjects.
Marek Malik; Joanne Zhang; Katerina Hnatkova; Lars Johannesen; Christine Garnett
Assessing electrocardiographic data quality and possible replacement of pharmacologic positive control in thorough QT/QTc studies by investigations of drug-free QTc stability.

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All Publications

2012: Marek Malik; Katerina Hnatkova; James J Keirns; Donna Kowalski; E Marcel van Gelderen
Importance of subject-specific QT/RR curvatures in the design of individual heart rate corrections of the QT interval.
Journal of electrocardiology 2012;45(6):571-81.
2012: Ondrej Toman; Irena Andrsova; Katerina Hnatkova; Radmila Jenysova; Lenka Manouskova; Tomas Novotny; J Parenica; M Poloczek; Martina Sisakova; Jindrich Spinar; Marek Malik
Effect of atorvastatin on dynamic parameters of myocardial repolarization in healthy subjects.
Journal of electrocardiology 2012;45(6):752-7.
2011: Marek Malik; Joanne Zhang; Katerina Hnatkova; Lars Johannesen; Christine Garnett
Assessing electrocardiographic data quality and possible replacement of pharmacologic positive control in thorough QT/QTc studies by investigations of drug-free QTc stability.
Heart rhythm : the official journal of the Heart Rhythm Society 2011;8(11):1777-85.
2011: Peter Smetana; Anna Schmidt; Markus Zabel; Katerina Hnatkova; Michael Franz; Kurt Huber; Marek Malik
Assessment of repolarization heterogeneity for prediction of mortality in cardiovascular disease: peak to the end of the T wave interval and nondipolar repolarization components.
Journal of electrocardiology 2011;44(3):301-8.
2010: Katerina Hnatkova; Ondrej Toman; Martina Sisakova; Tomas Novotny; Marek Malik
Dynamic properties of selected repolarization descriptors.
Journal of electrocardiology 2010;43(6):588-94.
2009: Marek Malik; Katerina Hnatkova; Anna Schmidt; Peter Smetana
Correction for QT/RR hysteresis in the assessment of drug-induced QTc changes--cardiac safety of gadobutrol.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2009;14(3):242-50.
2009: Marek Malik; Katerina Hnatkova; Anna Schmidt; Peter Smetana
Electrocardiographic QTc changes due to moxifloxacin infusion.
Journal of clinical pharmacology 2009;49(6):674-83.
2009: Axel Bauer; Petra Barthel; Raphael Schneider; Kurt Ulm; Alexander Müller; Anke Joeinig; Raphael Stich; Antti Kiviniemi; Katerina Hnatkova; Heikki Huikuri; Albert Schömig; Marek Malik; Georg Schmidt
Improved Stratification of Autonomic Regulation for risk prediction in post-infarction patients with preserved left ventricular function (ISAR-Risk).
European heart journal 2009;30(5):576-83.
2009: Katerina Hnatkova; Peter Smetana; Ondrej Toman; Axel Bauer; Georg Schmidt; Marek Malik
Systematic comparisons of electrocardiographic morphology increase the precision of QT interval measurement.
Pacing and clinical electrophysiology : PACE 2009;32(1):119-30.
2008: Marek Malik; Katerina Hnatkova; Tomas Novotny; Georg Schmidt
Subject-specific profiles of QT/RR hysteresis.
American journal of physiology. Heart and circulatory physiology 2008;295(6):H2356-63.
2008: Marek Malik; Katerina Hnatkova; Martina Sisakova; Georg Schmidt
Subject-specific heart rate dependency of electrocardiographic QT, PQ, and QRS intervals.
Journal of electrocardiology 2008;41(6):491-7.
2008: Marek Malik; Katerina Hnatkova; Anna Schmidt; Peter Smetana
Accurately measured and properly heart-rate corrected QTc intervals show little daytime variability.
Heart rhythm : the official journal of the Heart Rhythm Society 2008;5(10):1424-31.
2008: Marek Malik; Katerina Hnatkova; John Ford; David Madge
Near-thorough QT study as part of a first-in-man study.
Journal of clinical pharmacology 2008;48(10):1146-57.
2008: Annie Britton; Archana Singh-Manoux; Katerina Hnatkova; Marek Malik; Michael G Marmot; Martin Shipley
The association between heart rate variability and cognitive impairment in middle-aged men and women. The Whitehall II cohort study.
Neuroepidemiology 2008;31(2):115-21.
2007: Annie Britton; Martin Shipley; Marek Malik; Katerina Hnatkova; Harry Hemingway; Michael Marmot
Changes in heart rate and heart rate variability over time in middle-aged men and women in the general population (from the Whitehall II Cohort Study).
The American journal of cardiology 2007;100(3):524-7.
2006: Katerina Hnatkova; Yi Gang; Velislav Batchvarov; Marek Malik
Precision of QT interval measurement by advanced electrocardiographic equipment.
Pacing and clinical electrophysiology : PACE 2006;29(11):1277-84.
2006: Takuya Ono; Hirokazu Saitoh; Shioto Itakura; Katsuhiko Tateoka; Isuzu Ono; Katerina Hnatkova; Yoshinori Kobayashi; Morimasa Takayama; Hirotsugu Atarashi; Takao Katoh; Teruo Takano; Marek Malik
Characteristics of a new repolarization descriptor substituted for T-wave morphology analysis in patients with cardiomyopathy and myocardial infarction.
Circulation journal : official journal of the Japanese Circulation Society 2006;70(10):1322-6.
2006: Axel Bauer; Jan W Kantelhardt; Petra Barthel; Raphael Schneider; Timo H Mäkikallio; Kurt Ulm; Katerina Hnatkova; Albert Schömig; Heikki V Huikuri; Armin Bunde; Georg Schmidt; Georg Schmidt
Deceleration capacity of heart rate as a predictor of mortality after myocardial infarction: cohort study.
Lancet 2006;367(9523):1674-81.
2006: Juha S Perkiömäki; Miia Hyytinen-Oinas; Mari Karsikas; Tapio Seppänen; Katerina Hnatkova; Marek Malik; Heikki V Huikuri
Usefulness of T-wave loop and QRS complex loop to predict mortality after acute myocardial infarction.
The American journal of cardiology 2006;97(3):353-60.
2006: Roberto Sassi; Sergio Cerutti; Katerina Hnatkova; Marek Malik; Maria Gabriella Signorini
HRV scaling exponent identifies postinfarction patients who might benefit from prophylactic treatment with amiodarone.
IEEE transactions on bio-medical engineering 2006;53(1):103-10.
2005: Peter M Okin; Marek Malik; Katerina Hnatkova; Elisa T Lee; James M Galloway; Lyle G Best; Barbara V Howard; Richard B Devereux
Repolarization abnormality for prediction of all-cause and cardiovascular mortality in American Indians: the Strong Heart Study.
Journal of cardiovascular electrophysiology 2005;16(9):945-51.
2005: Takuya Ono; Hirokazu Saitoh; Gang Yi; Katerina Hnatkova; Yoshinori Kobayashi; Hirotsugu Atarashi; Takao Katoh; Teruo Takano; Marek Malik
Clinical implication of T-wave morphology analysis as a new repolarization descriptor.
Circulation journal : official journal of the Japanese Circulation Society 2005;69(6):666-70.
2005: Peter Taggart; Peter M Sutton; Chris Redfern; Velislav Batchvarov; Katerina Hnatkova; Marek Malik; Ursula James; Avy Joseph
The effect of mental stress on the non-dipolar components of the T wave: modulation by hypnosis.
Psychosomatic medicine 2005;67(3):376-83.
2005: Hugo D Critchley; Peter Taggart; Peter M Sutton; Diana R Holdright; Velislav Batchvarov; Katerina Hnatkova; Marek Malik; Raymond J Dolan
Mental stress and sudden cardiac death: asymmetric midbrain activity as a linking mechanism.
Brain : a journal of neurology 2005;128(Pt 1):75-85.
2004: Marek Malik; Katerina Hnatkova; Velislav Batchvarov; Yi Gang; Peter Smetana; A John Camm
Sample size, power calculations, and their implications for the cost of thorough studies of drug induced QT interval prolongation.
Pacing and clinical electrophysiology : PACE 2004;27(12):1659-69.
2004: Yi Gang; Katerina Hnatkova; Kaushik Mandal; Azad Ghuran; Marek Malik
Preoperative electrocardiographic risk assessment of atrial fibrillation after coronary artery bypass grafting.
Journal of cardiovascular electrophysiology 2004;15(12):1379-86.
2004: Velislav Batchvarov; Katerina Hnatkova; Jan Poloniecki; A John Camm; Marek Malik
Prognostic value of heterogeneity of ventricular repolarization in survivors of acute myocardial infarction.
Clinical cardiology 2004;27(11):653-9.
2004: Peter Smetana; Esther Pueyo; Katerina Hnatkova; Velislav Batchvarov; Pablo Laguna; Marek Malik
Individual patterns of dynamic QT/RR relationship in survivors of acute myocardial infarction and their relationship to antiarrhythmic efficacy of amiodarone.
Journal of cardiovascular electrophysiology 2004;15(10):1147-54.
2004: Marek Malik; Katerina Hnatkova; Velislav Batchvarov
Differences between study-specific and subject-specific heart rate corrections of the QT interval in investigations of drug induced QTc prolongation.
Pacing and clinical electrophysiology : PACE 2004;27(6 Pt 1):791-800.
2004: Marek Malik; Katerina Hnatkova; Velislav Batchvarov
Post infarction risk stratification using the 3-D angle between QRS complex and T-wave vectors.
Journal of electrocardiology 2004;37 Suppl():201-8.
2004: Peter Smetana; Velislav Batchvarov; Katerina Hnatkova; A John Camm; Marek Malik
Ventricular gradient and nondipolar repolarization components increase at higher heart rate.
American journal of physiology. Heart and circulatory physiology 2004;286(1):H131-6.
2003: Peter Smetana; Esther Pueyo; Katerina Hnatkova; Velislav Batchvarov; A John Camm; Marek Malik
Effect of amiodarone on the descending limb of the T wave.
The American journal of cardiology 2003;92(6):742-6.
2003: Peter Smetana; Velislav Batchvarov; Katerina Hnatkova; A John Camm; Marek Malik
Sex differences in the rate dependence of the T wave descending limb.
Cardiovascular research 2003;58(3):549-54.
2003: Yi Gang; Takuya Ono; Katerina Hnatkova; Kenich Hashimoto; A John Camm; Bertram Pitt; Philip A Poole-Wilson; Marek Malik
QT dispersion has no prognostic value in patients with symptomatic heart failure: an ELITE II substudy.
Pacing and clinical electrophysiology : PACE 2003;26(1 Pt 2):394-400.
2003: Peter Smetana; Velislav Batchvarov; Katerina Hnatkova; A John Camm; Marek Malik
Circadian rhythm of the corrected QT interval: impact of different heart rate correction models.
Pacing and clinical electrophysiology : PACE 2003;26(1 Pt 2):383-6.
2003: Velislav Batchvarov; Katerina Hnatkova; Azad Ghuran; Jan Poloniecki; A John Camm; Marek Malik
Ventricular gradient as a risk factor in survivors of acute myocardial infarction.
Pacing and clinical electrophysiology : PACE 2003;26(1 Pt 2):373-6.
2002: Velislav Batchvarov; Azad Ghuran; Peter Smetana; Katerina Hnatkova; Monica Harries; Polychronis Dilaveris; A John Camm; Marek Malik
QT-RR relationship in healthy subjects exhibits substantial intersubject variability and high intrasubject stability.
American journal of physiology. Heart and circulatory physiology 2002;282(6):H2356-63.
2002: Velislav Batchvarov; Juan Carlos Kaski; Nikhil Parchure; Polychronis Dilaveris; Sue Brown; Azad Ghuran; Patrik Färbom; Katerina Hnatkova; A John Camm; Marek Malik
Comparison between ventricular gradient and a new descriptor of the wavefront direction of ventricular activation and recovery.
Clinical cardiology 2002;25(5):230-6.
2002: Peter Smetana; Velislav Batchvarov; Katerina Hnatkova; A John Camm; Marek Malik
Sex differences in repolarization homogeneity and its circadian pattern.
American journal of physiology. Heart and circulatory physiology 2002;282(5):H1889-97.
2002: Velislav Batchvarov; Katerina Hnatkova; Marek Malik
Assessment of noise in digital electrocardiograms.
Pacing and clinical electrophysiology : PACE 2002;25(4 Pt 1):499-503.
2002: C Varma; PA O'Callaghan; NG Mahon; Katerina Hnatkova; W McKenna; A John Camm; Edward Rowland; Stephen J D Brecker
Effect of multisite pacing on ventricular coordination.
Heart (British Cardiac Society) 2002;87(4):322-8.
2002: Markus Zabel; Marek Malik; Katerina Hnatkova; Vasilios Papademetriou; Andreas Pittaras; Ross D Fletcher; Michael R Franz
Analysis of T-wave morphology from the 12-lead electrocardiogram for prediction of long-term prognosis in male US veterans.
Circulation 2002;105(9):1066-70.
2002: Katerina Hnatkova; SJ Ryan; J Bathen; HH Hoium; Marek Malik
Non-invasive Wedensky modulation within the QRS complex.
Medical & biological engineering & computing 2002;40(2):234-40.
2002: Marek Malik; Patrik Färbom; Velislav Batchvarov; Katerina Hnatkova; A John Camm
Relation between QT and RR intervals is highly individual among healthy subjects: implications for heart rate correction of the QT interval.
Heart (British Cardiac Society) 2002;87(3):220-8.
2001: Johan E P Waktare; Katerina Hnatkova; SM Sopher; FD Murgatroyd; X Guo; A John Camm; Marek Malik
The role of atrial ectopics in initiating paroxysmal atrial fibrillation.
European heart journal 2001;22(4):333-9.
2001: Katerina Hnatkova; SJ Ryan; J Bathen; B Acar; Velislav Batchvarov; HH Hoium; Marek Malik
T-wave morphology differences between patients with and without arrhythmic complication of ischemic heart disease.
Journal of electrocardiology 2001;34 Suppl():113-7.
2000: Katerina Hnatkova; SJ Ryan; HH Hoium; Marek Malik
Noninvasive assessment of Wedensky modulated signal-averaged electrocardiograms.
Pacing and clinical electrophysiology : PACE 2000;23(11 Pt 2):1977-80.
2000: Velislav Batchvarov; Polychronis Dilaveris; Patrik Färbom; Azad Ghuran; B Acar; Katerina Hnatkova; A John Camm; Marek Malik
New descriptors of homogeneity of the propagation of ventricular repolarization.
Pacing and clinical electrophysiology : PACE 2000;23(11 Pt 2):1968-72.
2000: Marek Malik; B Acar; Yi Gang; Yee Guan Yap; Katerina Hnatkova; A John Camm
QT dispersion does not represent electrocardiographic interlead heterogeneity of ventricular repolarization.
Journal of cardiovascular electrophysiology 2000;11(8):835-43.
2000: Polychronis Dilaveris; Elias J Gialafos; Jan Poloniecki; Katerina Hnatkova; D Richter; George K Andrikopoulos; E Lazaki; John Gialafos; Marek Malik
Changes of the T-wave amplitude and angle: an early marker of altered ventricular repolarization in hypertension.
Clinical cardiology 2000;23(8):600-6.
2000: Gang Yi; Katerina Hnatkova; N G Mahon; PJ Keeling; M Reardon; A John Camm; Marek Malik
Predictive value of wavelet decomposition of the signal-averaged electrocardiogram in idiopathic dilated cardiomyopathy.
European heart journal 2000;21(12):1015-22.
2000: Irina Savelieva; K Aytemir; Katerina Hnatkova; A John Camm; Marek Malik
Short-, mid-, and long-term reproducibility of the atrial signal-averaged electrocardiogram in healthy subjects: comparison with the conventional ventricular signal-averaged electrocardiogram.
Pacing and clinical electrophysiology : PACE 2000;23(1):122-7.
1999: Katerina Hnatkova; Marek Malik
"Optimum" formulae for heart rate correction of the QT interval.
Pacing and clinical electrophysiology : PACE 1999;22(11):1683-7.
1999: Irina Savelieva; Yee Guan Yap; Gang Yi; Xiao Hua Guo; Katerina Hnatkova; A John Camm; Marek Malik
Relation of ventricular repolarization to cardiac cycle length in normal subjects, hypertrophic cardiomyopathy, and patients with myocardial infarction.
Clinical cardiology 1999;22(10):649-54.
1999: B Acar; G Yi; Katerina Hnatkova; Marek Malik
Spatial, temporal and wavefront direction characteristics of 12-lead T-wave morphology.
Medical & biological engineering & computing 1999;37(5):574-84.
1998: Yi Gang; X H Guo; R Crook; Katerina Hnatkova; A John Camm; Marek Malik
Computerised measurements of QT dispersion in healthy subjects.
Heart (British Cardiac Society) 1998;80(5):459-66.
1998: Katerina Hnatkova; Johan E P Waktare; FD Murgatroyd; X Guo; A John Camm; Marek Malik
Age and gender influences on rate and duration of paroxysmal atrial fibrillation.
Pacing and clinical electrophysiology : PACE 1998;21(11 Pt 2):2455-8.
1998: Mark M Gallagher; Katerina Hnatkova; FD Murgatroyd; Johan E P Waktare; X Guo; A John Camm; Marek Malik
Evolution of changes in the ventricular rhythm during paroxysmal atrial fibrillation.
Pacing and clinical electrophysiology : PACE 1998;21(11 Pt 2):2450-4.
1998: SM Sopher; Katerina Hnatkova; Johan E P Waktare; FD Murgatroyd; A John Camm; Marek Malik
Circadian variation in atrial fibrillation in patients with frequent paroxysms.
Pacing and clinical electrophysiology : PACE 1998;21(11 Pt 2):2445-9.
1998: A Englund; Katerina Hnatkova; P Kulakowski; P M Elliot; Marek Malik; William J McKenna
Use of spectral turbulence analysis for the identification of patients at high risk for ventricular fibrillation and sudden death in patients with hypertrophic cardiomyopathy.
Cardiology 1998;90(2):79-82.
1998: A Englund; Katerina Hnatkova; P Kulakowski; P M Elliot; William J McKenna; Marek Malik
Wavelet decomposition analysis of the signal averaged electrocardiogram used for risk stratification of patients with hypertrophic cardiomyopathy.
European heart journal 1998;19(9):1383-90.
1998: Katerina Hnatkova; FD Murgatroyd; Jan Poloniecki; Johan E P Waktare; C A Alferness; A John Camm; Marek Malik
Mid- and long-term similarity of ventricular response to paroxysmal atrial fibrillation: digoxin versus placebo.
Pacing and clinical electrophysiology : PACE 1998;21(9):1735-40.
1998: Katerina Hnatkova; Johan E P Waktare; FD Murgatroyd; X Guo; X Baiyan; A John Camm; Marek Malik
Analysis of the cardiac rhythm preceding episodes of paroxysmal atrial fibrillation.
American heart journal 1998;135(6 Pt 1):1010-9.
1998: Katerina Hnatkova; FD Murgatroyd; C A Alferness; A John Camm; Marek Malik
Distribution of fast heart rate episodes during paroxysmal atrial fibrillation.
Heart (British Cardiac Society) 1998;79(5):497-501.
1998: Gang Yi; Xiao Hua Guo; M Reardon; Mark M Gallagher; Katerina Hnatkova; A John Camm; Marek Malik
Circadian variation of the QT interval in patients with sudden cardiac death after myocardial infarction.
The American journal of cardiology 1998;81(8):950-6.
1998: Irina Savelieva; Gang Yi; X Guo; Katerina Hnatkova; Marek Malik
Agreement and reproducibility of automatic versus manual measurement of QT interval and QT dispersion.
The American journal of cardiology 1998;81(4):471-7.
1998: Katerina Hnatkova; Johan E P Waktare; SM Sopher; FD Murgatroyd; X Baiyan; A John Camm; Marek Malik
A relationship between fluctuations in heart rate and the duration of subsequent episodes of atrial fibrillation.
Pacing and clinical electrophysiology : PACE 1998;21(1 Pt 2):181-5.
1997: M H Anderson; FD Murgatroyd; Katerina Hnatkova; B Xie; S Jones; Edward Rowland; David E Ward; A John Camm; Marek Malik
Performance of basic ventricular tachycardia detection algorithms in implantable cardioverter defibrillators: implications for device programming.
Pacing and clinical electrophysiology : PACE 1997;20(12 Pt 1):2975-83.
1997: Katerina Hnatkova; FD Murgatroyd; X Guo; A John Camm; Marek Malik
Graphical representation of complex data--diurnal patterns of initiations of atrial fibrillation episodes.
Pacing and clinical electrophysiology : PACE 1997;20(11):2848-52.
1997: S R Redwood; O Odemuyiwa; Katerina Hnatkova; A Staunton; I Poloniecki; A John Camm; Marek Malik
Selection of dichotomy limits for multifactorial prediction of arrhythmic events and mortality in survivors of acute myocardial infarction.
European heart journal 1997;18(8):1278-87.
1997: Katerina Hnatkova; FD Murgatroyd; X Guo; A John Camm; Marek Malik
Atrial premature beats preceding episodes of paroxysmal atrial fibrillation: factorial analysis of a prediction system.
Pacing and clinical electrophysiology : PACE 1997;20(8 Pt 1):2003-7.
1997: Gang Yi; PJ Keeling; Katerina Hnatkova; JH Goldman; Marek Malik; William J McKenna
Usefulness of signal-averaged electrocardiography in evaluation of idiopathic-dilated cardiomyopathy in families.
The American journal of cardiology 1997;79(9):1203-7.
1997: H Nagayoshi; T Janota; Katerina Hnatkova; A John Camm; Marek Malik
Autonomic modulation of ventricular rate in atrial fibrillation.
The American journal of physiology 1997;272(4 Pt 2):H1643-9.
1997: Katerina Hnatkova; Johan E P Waktare; Marek Malik
Repeatability of discrete classifications: application to the initiation of atrial fibrillation.
Pacing and clinical electrophysiology : PACE 1997;20(3 Pt 1):726-9.
1996: M Reardon; Katerina Hnatkova; Marek Malik
Aging and time-domain and spectral turbulence parameters of signal-averaged electrocardiograms.
Pacing and clinical electrophysiology : PACE 1996;19(11 Pt 1):1588-94.
1996: Katerina Hnatkova; FD Murgatroyd; A John Camm; Marek Malik
Effect of digoxin on the ventricular rate variability during paroxysmal atrial fibrillation.
Pacing and clinical electrophysiology : PACE 1996;19(11 Pt 2):1968-71.
1996: T S Faber; A Staunton; Katerina Hnatkova; A John Camm; Marek Malik
Stepwise strategy of using short- and long-term heart rate variability for risk stratification after myocardial infarction.
Pacing and clinical electrophysiology : PACE 1996;19(11 Pt 2):1845-51.
1996: Gang Yi; PJ Keeling; JH Goldman; Katerina Hnatkova; Marek Malik; William J McKenna
Comparison of time domain and spectral turbulence analysis of the signal-averaged electrocardiogram for the prediction of prognosis in idiopathic dilated cardiomyopathy.
Clinical cardiology 1996;19(10):800-8.
1996: Xavier Copie; Katerina Hnatkova; I Blankoff; A Staunton; A John Camm; M Malik
[Risk of mortality after myocardial infarction: value of heart rate, its variability and left ventricular ejection fraction].
Archives des maladies du coeur et des vaisseaux 1996;89(7):865-71.
1996: Xavier Copie; Katerina Hnatkova; A Staunton; A John Camm; Marek Malik
Spectral turbulence versus time-domain analysis of signal-averaged ECG used for the prediction of different arrhythmic events in survivors of acute myocardial infarction.
Journal of cardiovascular electrophysiology 1996;7(7):583-93.
1996: Xavier Copie; I Blankoff; Katerina Hnatkova; L Fei; A John Camm; M Malik
[Influence of the duration of recording in the reproducibility of the signal averaged electrocardiogram].
Archives des maladies du coeur et des vaisseaux 1996;89(6):723-7.
1996: Marek Malik; T Janota; H Nagayoshi; Katerina Hnatkova; A John Camm
Changes of QT intervals associated with postural change in patients with chronic atrial fibrillation.
Pacing and clinical electrophysiology : PACE 1996;19(4 Pt 1):490-5.
1996: Xavier Copie; I Blankoff; L Fei; FD Murgatroyd; Katerina Hnatkova; M Malik; A John Camm
[Reproducibility of signal-averaged electrocardiography].
Archives des maladies du coeur et des vaisseaux 1996;89(3):325-30.
1996: Marek Malik; J Kautzner; Katerina Hnatkova; A John Camm
Identification of electrocardiographic patterns.
Pacing and clinical electrophysiology : PACE 1996;19(2):245-51.
1996: Xavier Copie; Katerina Hnatkova; A Staunton; L Fei; A John Camm; Marek Malik
Predictive power of increased heart rate versus depressed left ventricular ejection fraction and heart rate variability for risk stratification after myocardial infarction. Results of a two-year follow-up study.
Journal of the American College of Cardiology 1996;27(2):270-6.
1996: D J Statters; Marek Malik; S Redwood; Katerina Hnatkova; A Staunton; A John Camm
Use of ventricular premature complexes for risk stratification after acute myocardial infarction in the thrombolytic era.
The American journal of cardiology 1996;77(2):133-8.
1995: D Malik; Katerina Hnatkova; Marek Malik
Conversion of analog signals into computer oriented data.
Pacing and clinical electrophysiology : PACE 1995;18(10):1947-51.
1995: J Kautzner; Katerina Hnatkova; A Staunton; A John Camm; Marek Malik
Day-to-day reproducibility of time-domain measures of heart rate variability in survivors of acute myocardial infarction.
The American journal of cardiology 1995;76(4):309-12.
1995: Katerina Hnatkova; Xavier Copie; A Staunton; Marek Malik
Numeric processing of Lorenz plots of R-R intervals from long-term ECGs. Comparison with time-domain measures of heart rate variability for risk stratification after myocardial infarction.
Journal of electrocardiology 1995;28 Suppl():74-80.
1995: P Kulakowski; Katerina Hnatkova; Y Bashir; S C Heald; A Staunton; Marek Malik; A John Camm
Influence of the infarct site on the identification of patients with ventricular tachycardia after myocardial infarction based on the time-domain and spectral turbulence analysis of the signal-averaged electrocardiogram.
Clinical cardiology 1995;18(1):39-44.
1994: L Fei; D J Statters; Katerina Hnatkova; Jan Poloniecki; Marek Malik; A John Camm
Change of autonomic influence on the heart immediately before the onset of spontaneous idiopathic ventricular tachycardia.
Journal of the American College of Cardiology 1994;24(6):1515-22.
1994: Katerina Hnatkova; Marek Malik; J Kautzner; Y Gang; A John Camm
Adjustment of QT dispersion assessed from 12 lead electrocardiograms for different numbers of analysed electrocardiographic leads: comparison of stability of different methods.
British heart journal 1994;72(4):390-6.
1994: Katerina Hnatkova; P Kulakowski; A Staunton; P Keeling; Gang Yi; A John Camm; Marek Malik
Influence of filtering techniques on the time-domain analysis, diagnosis, and clinical use of signal-averaged electrocardiogram.
Pacing and clinical electrophysiology : PACE 1994;17(6):1107-17.
1994: Katerina Hnatkova; Jan Poloniecki; A J Camm; Marek Malik
Computation of multifactorial receiver operator and predictive accuracy characteristics.
Computer methods and programs in biomedicine 1994;42(3):147-56.
1994: Marek Malik; P Kulakowski; Katerina Hnatkova; A Staunton; A John Camm
Spectral turbulence analysis versus time-domain analysis of the signal-averaged ECG in survivors of acute myocardial infarction.
Journal of electrocardiology 1994;27 Suppl():227-32.
1993: Katerina Hnatkova; Marek Malik
Concepts of the compartmental analysis.
Pacing and clinical electrophysiology : PACE 1993;16(12):2301-4.
1993: J Kautzner; P Kulakowski; Katerina Hnatkova; A Staunton; Marek Malik
Long-term reproducibility of individual indices of time-domain analysis, spectral temporal mapping, and spectral turbulence analysis of signal-averaged ECGs.
Journal of electrocardiology 1993;26 Suppl():129-36.