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Heikki Väänänen

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Petri Haapalahti; Matti Viitasalo; Merja Perhonen; Heikki Väänänen; Markku Makijarvi; Heikki Swan; Lauri Toivonen
Comparison of QT peak and QT end interval responses to autonomic adaptation in asymptomatic LQT1 mutation carriers.
Anna-Mari Hekkala; Heikki Swan; Matti Viitasalo; Heikki Väänänen; Lauri Toivonen
Epinephrine bolus test in detecting long QT syndrome mutation carriers with indeterminable electrocardiographic phenotype.
Jere Järvenpää; Lasse Oikarinen; Petri Korhonen; Heikki Väänänen; Lauri Toivonen; Matti Viitasalo
Dynamic QT/RR relationship in post-myocardial infarction patients with and without cardiac arrest.

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All Publications

2011: Petri Haapalahti; Matti Viitasalo; Merja Perhonen; Heikki Väänänen; Markku Makijarvi; Heikki Swan; Lauri Toivonen
Comparison of QT peak and QT end interval responses to autonomic adaptation in asymptomatic LQT1 mutation carriers.
Clinical physiology and functional imaging 2011;31(3):209-14.
2011: Anna-Mari Hekkala; Heikki Swan; Matti Viitasalo; Heikki Väänänen; Lauri Toivonen
Epinephrine bolus test in detecting long QT syndrome mutation carriers with indeterminable electrocardiographic phenotype.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2011;16(2):172-9.
2010: Jere Järvenpää; Lasse Oikarinen; Petri Korhonen; Heikki Väänänen; Lauri Toivonen; Matti Viitasalo
Dynamic QT/RR relationship in post-myocardial infarction patients with and without cardiac arrest.
Scandinavian cardiovascular journal : SCJ 2010;44(6):352-8.
2010: Maritta K Pöyhönen-Alho; Matti Viitasalo; M G Nicholls; B-M Lindström; Heikki Väänänen; Risto Kaaja
Imbalance of the autonomic nervous system at night in women with gestational diabetes.
Diabetic medicine : a journal of the British Diabetic Association 2010;27(9):988-94.
2010: Anna-Mari Hekkala; Matti Viitasalo; Heikki Väänänen; Heikki Swan; Lauri Toivonen
Abnormal repolarization dynamics revealed in exercise test in long QT syndrome mutation carriers with normal resting QT interval.
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology 2010;12(9):1296-301.
2010: Kimmo Porthan; Annukka Marjamaa; Matti Viitasalo; Heikki Väänänen; Antti Jula; Lauri Toivonen; Markku S Nieminen; Christopher Newton-Cheh; Veikko Salomaa; Kimmo Kontula; Lasse Oikarinen
Relationship of common candidate gene variants to electrocardiographic T-wave peak to T-wave end interval and T-wave morphology parameters.
Heart rhythm : the official journal of the Heart Rhythm Society 2010;7(7):898-903.
2010: Petri Korhonen; Terhi Husa; Teijo Konttila; Ilkka Tierala; Markku Makijarvi; Heikki Väänänen; Janne Ojanen; Aki Vehtari; Lauri Toivonen
Fragmented QRS in prediction of cardiac deaths and heart failure hospitalizations after myocardial infarction.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2010;15(2):130-7.
2010: Hanna Hoikkala; Petri Haapalahti; Matti Viitasalo; Heikki Väänänen; Anssi R A Sovijärvi; Olavi Ylikorkala; Tomi S Mikkola
Association between vasomotor hot flashes and heart rate variability in recently postmenopausal women.
Menopause (New York, N.Y.) 2010;17(2):315-20.
2009: Kimmo Porthan; Matti Viitasalo; Antti Jula; Antti Reunanen; Janne Rapola; Heikki Väänänen; Markku S Nieminen; Lauri Toivonen; Veikko Salomaa; Lasse Oikarinen
Predictive value of electrocardiographic QT interval and T-wave morphology parameters for all-cause and cardiovascular mortality in a general population sample.
Heart rhythm : the official journal of the Heart Rhythm Society 2009;6(8):1202-8, 1208.e1.
2009: Petri Korhonen; Terhi Husa; Teijo Konttila; Ilkka Tierala; Markku Makijarvi; Heikki Väänänen; Lauri Toivonen
Complex T-wave morphology in body surface potential mapping in prediction of arrhythmic events in patients with acute myocardial infarction and cardiac dysfunction.
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology 2009;11(4):514-20.
2009: A Marjamaa; Christopher Newton-Cheh; K Porthan; Antti Reunanen; Päivi Lahermo; Heikki Väänänen; Antti Jula; H Karanko; H Swan; Lauri Toivonen; Markku S Nieminen; Matti Viitasalo; Leena Peltonen; L Oikarinen; Aarno Palotie; Kimmo Kontula; Veikko Salomaa
Common candidate gene variants are associated with QT interval duration in the general population.
Journal of internal medicine 2009;265(4):448-58.
2009: Mika Lehto; Raija Jurkko; Hannu Parikka; Ville Mäntynen; Heikki Väänänen; Juha Montonen; Liisa-Maria Voipio-Pulkki; Lauri Toivonen; Mika Laine
Reversal of atrial remodeling after cardioversion of persistent atrial fibrillation measured with magnetocardiography.
Pacing and clinical electrophysiology : PACE 2009;32(2):217-23.
2009: Raija Jurkko; Ville Mäntynen; Jari M Tapanainen; Juha Montonen; Heikki Väänänen; Hannu Parikka; Lauri Toivonen
Non-invasive detection of conduction pathways to left atrium using magnetocardiography: validation by intra-cardiac electroanatomic mapping.
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology 2009;11(2):169-77.
2009: Annukka Marjamaa; Veikko Salomaa; Christopher Newton-Cheh; Kimmo Porthan; Antti Reunanen; Hannu Karanko; Antti Jula; Päivi Lahermo; Heikki Väänänen; Lauri Toivonen; Heikki Swan; Matti Viitasalo; Markku S Nieminen; Leena Peltonen; Lasse Oikarinen; Aarno Palotie; Kimmo Kontula
High prevalence of four long QT syndrome founder mutations in the Finnish population.
Annals of medicine 2009;41(3):234-40.
2009: Kimmo Porthan; Matti Viitasalo; Timo P Hiltunen; Heikki Väänänen; Juhani Dabek; Timo Suonsyrja; Tuula Hannila-Handelberg; Juha Virolainen; Markku S Nieminen; Lauri Toivonen; Kimmo Kontula; Lasse Oikarinen
Short-term electrophysiological effects of losartan, bisoprolol, amlodipine, and hydrochlorothiazide in hypertensive men.
Annals of medicine 2009;41(1):29-37.
2008: Petri Haapalahti; Matti Viitasalo; Maija Kaartinen; Heikki Väänänen; Lasse Oikarinen; Tiina Heliö; Lauri Toivonen
Electrocardiographic ventricular repolarization during cardiovascular autonomic function testing in patients with arrhythmogenic right ventricular cardiomyopathy.
Scandinavian cardiovascular journal : SCJ 2008;42(6):375-82.
2008: Raija Jurkko; Heikki Väänänen; Ville Mäntynen; Jouni Kuusisto; Markku Makijarvi; Lauri Toivonen
High-resolution signal-averaged analysis of atrial electromagnetic characteristics in patients with paroxysmal lone atrial fibrillation.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2008;13(4):378-85.
2008: Matti Viitasalo; Lasse Oikarinen; Heikki Väänänen; Kimmo Kontula; Lauri Toivonen; Heikki Swan
U-waves and T-wave peak to T-wave end intervals in patients with catecholaminergic polymorphic ventricular tachycardia, effects of beta-blockers.
Heart rhythm : the official journal of the Heart Rhythm Society 2008;5(10):1382-8.
2008: Olli Anttonen; Heikki Väänänen; Juhani Junttila; Heikki V Huikuri; Matti Viitasalo
Electrocardiographic transmural dispersion of repolarization in patients with inherited short QT syndrome.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2008;13(3):295-300.
2008: Petri Haapalahti; Matti Viitasalo; Merja Perhonen; Markku Makijarvi; Heikki Väänänen; Lasse Oikarinen; Yrjö Salorinne; Heikki Swan; Lauri Toivonen
Electrocardiographic interventricular dispersion of repolarization during autonomic adaptation in LQT1 subtype of long QT syndrome.
Scandinavian cardiovascular journal : SCJ 2008;42(2):130-6.
2008: Paula Vesterinen; Heikki Väänänen; Matti Stenroos; Helena Hänninen; Petri Korhonen; Ilkka Tierala; Terhi Husa; Markku Makijarvi; Lauri Toivonen
Localization of prior myocardial infarction by repolarization variables.
International journal of cardiology 2008;124(1):100-6.
2008: Paula Vesterinen; Heikki Väänänen; Helena Hänninen; Petri Korhonen; Ilkka Tierala; Terhi Husa; Markku Makijarvi; Lauri Toivonen
Single-lead electrocardiographic variables in the detection of prior myocardial infarction with respect to Q-wave status and infarct age.
Cardiology 2008;109(4):222-9.
2007: Kimmo Porthan; Juha Virolainen; Timo P Hiltunen; Matti Viitasalo; Heikki Väänänen; Juhani Dabek; Tuula Hannila-Handelberg; Lauri Toivonen; Markku S Nieminen; Kimmo Kontula; Lasse Oikarinen
Relationship of electrocardiographic repolarization measures to echocardiographic left ventricular mass in men with hypertension.
Journal of hypertension 2007;25(9):1951-7.
2007: Anna-Mari Hekkala; Heikki Swan; Heikki Väänänen; Matti Viitasalo; Lauri Toivonen
The effect of antihistamine cetirizine on ventricular repolarization in congenital long QT syndrome.
Journal of cardiovascular electrophysiology 2007;18(7):691-5.
2007: Jere Järvenpää; Lasse Oikarinen; Petri Korhonen; Heikki Väänänen; Lauri Toivonen; Matti Viitasalo
Changing capacity of electrocardiographic ventricular repolarization in post-myocardial infarction patients with and without nonfatal cardiac arrest.
The American journal of cardiology 2007;99(3):295-9.
2006: Anna-Mari Hekkala; Heikki Väänänen; Heikki Swan; Lasse Oikarinen; Matti Viitasalo; Lauri Toivonen
Reproducibility of computerized measurements of QT interval from multiple leads at rest and during exercise.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2006;11(4):318-26.
2006: Petri Haapalahti; Matti Viitasalo; Merja Perhonen; Markku Makijarvi; Heikki Väänänen; Lasse Oikarinen; Anna-Mari Hekkala; Yrjö Salorinne; Heikki Swan; Lauri Toivonen
Ventricular repolarization and heart rate responses during cardiovascular autonomic function testing in LQT1 subtype of long QT syndrome.
Pacing and clinical electrophysiology : PACE 2006;29(10):1122-9.
2006: Merja A Perhonen; Petri Haapalahti; Sari Kivistö; Anna-Mari Hekkala; Heikki Väänänen; Heikki Swan; Lauri Toivonen
Effect of physical training on ventricular repolarization in type 1 long QT syndrome: a pilot study in asymptomatic carriers of the G589D KCNQ1 mutation.
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology 2006;8(10):894-8.
2006: Matti Viitasalo; Lasse Oikarinen; Heikki Swan; Heikki Väänänen; Jere Järvenpää; Harri Hietanen; Jouko Karjalainen; Lauri Toivonen
Effects of beta-blocker therapy on ventricular repolarization documented by 24-h electrocardiography in patients with type 1 long-QT syndrome.
Journal of the American College of Cardiology 2006;48(4):747-53.
2006: Petri Korhonen; Terhi Husa; Ilkka Tierala; Heikki Väänänen; Markku Makijarvi; Toivo Katila; Lauri Toivonen
QRS duration in high-resolution methods and standard ECG in risk assessment after first and recurrent myocardial infarctions.
Pacing and clinical electrophysiology : PACE 2006;29(8):830-6.
2006: Helena Hänninen; Miia Holmström; Paula Vesterinen; Milla Karvonen; Heikki Väänänen; Lasse Oikarinen; Markku Makijarvi; Jukka Nenonen; Kirsi Lauerma; Toivo Katila; Lauri Toivonen
Magnetocardiographic assessment of healed myocardial infarction.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2006;11(3):211-21.
2006: Petri Korhonen; Terhi Husa; Ilkka Tierala; Heikki Väänänen; Markku Makijarvi; Toivo Katila; Lauri Toivonen
Increased intra-QRS fragmentation in magnetocardiography as a predictor of arrhythmic events and mortality in patients with cardiac dysfunction after myocardial infarction.
Journal of cardiovascular electrophysiology 2006;17(4):396-401.
2006: Matti Viitasalo; Lasse Oikarinen; Heikki Swan; Kathryn A Glatter; Heikki Väänänen; Heidi Fodstad; Nipavan Chiamvimonvat; Kimmo Kontula; Lauri Toivonen; Melvin M Scheinman
Ratio of late to early T-wave peak amplitude in 24-h electrocardiographic recordings as indicator of symptom history in patients with long-QT Syndrome types 1 and 2.
Journal of the American College of Cardiology 2006;47(1):112-20.
2005: Raija Koskinen; Mika Lehto; Heikki Väänänen; Juha Rantonen; Liisa-Maria Voipio-Pulkki; Markku Makijarvi; Lasse Lehtonen; Juha Montonen; Lauri Toivonen
Measurement and reproducibility of magnetocardiographic filtered atrial signal in patients with paroxysmal lone atrial fibrillation and in healthy subjects.
Journal of electrocardiology 2005;38(4):330-6.
2005: Paula Vesterinen; Helena Hänninen; Milla Karvonen; Kirsi Lauerma; Miia Holmström; Markku Makijarvi; Heikki Väänänen; Matti Stenroos; Jukka Nenonen; Toivo Katila; Lauri Toivonen
Spatial repolarization abnormalities in old myocardial infarction.
Journal of electrocardiology 2005;38(3):264-70.
2004: Kenneth C Bilchick; Matti Viitasalo; Lasse Oikarinen; Barry Fetics; Gordon F Tomaselli; Heikki Swan; Päivi J Laitinen; Heikki Väänänen; Kimmo Kontula; Ronald D Berger
Temporal repolarization lability differences among genotyped patients with the long QT syndrome.
The American journal of cardiology 2004;94(10):1312-6.
2004: Paula Vesterinen; Helena Hänninen; Milla Karvonen; Kirsi Lauerma; Miia Holmström; Markku Makijarvi; Heikki Väänänen; Jukka Nenonen; Toivo Katila; Lauri Toivonen
Temporal analysis of the depolarization wave of healed myocardial infarction in body surface potential mapping.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2004;9(3):234-42.
2002: Matti Viitasalo; Lasse Oikarinen; Heikki Swan; Heikki Väänänen; Kathryn A Glatter; Päivi J Laitinen; Kimmo Kontula; Hal V Barron; Lauri Toivonen; Melvin M Scheinman
Ambulatory electrocardiographic evidence of transmural dispersion of repolarization in patients with long-QT syndrome type 1 and 2.
Circulation 2002;106(19):2473-8.
2002: Lasse Oikarinen; Heikki Väänänen; Juhani Dabek; Maija Kaartinen; Helena Hänninen; Toivo Katila; Markku S Nieminen; Lauri Toivonen; Matti Viitasalo
Relation of twelve-lead electrocardiographic T-wave morphology descriptors to left ventricular mass.
The American journal of cardiology 2002;90(9):1032-5.
2002: Petri Korhonen; Ilkka Tierala; Kim Simelius; Heikki Väänänen; Markku Makijarvi; Jukka Nenonen; Toivo Katila; Lauri Toivonen
Late QRS activity in signal-averaged magnetocardiography, body surface potential mapping, and orthogonal ECG in postinfarction ventricular tachycardia patients.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2002;7(4):389-98.
2002: Matti Viitasalo; Lasse Oikarinen; Heikki Väänänen; Heikki Swan; Kirsi Piippo; Kimmo Kontula; Hal V Barron; Lauri Toivonen; Melvin M Scheinman
Differentiation between LQT1 and LQT2 patients and unaffected subjects using 24-hour electrocardiographic recordings.
The American journal of cardiology 2002;89(6):679-85.
2001: Lasse Oikarinen; Matti Viitasalo; Petri Korhonen; Heikki Väänänen; Helena Hänninen; Juha Montonen; Markku Makijarvi; Toivo Katila; Lauri Toivonen
Postmyocardial infarction patients susceptible to ventricular tachycardia show increased T wave dispersion independent of delayed ventricular conduction.
Journal of cardiovascular electrophysiology 2001;12(10):1115-20.
2001: Petri Korhonen; Heikki Väänänen; Markku Makijarvi; Toivo Katila; Lauri Toivonen
Repolarization abnormalities detected by magnetocardiography in patients with dilated cardiomyopathy and ventricular arrhythmias.
Journal of cardiovascular electrophysiology 2001;12(7):772-7.