Heikki Väänänen

Research outputs

  1. 2018
  2. Published

    Fibrosis and wall thickness affect ventricular repolarization dynamics in hypertrophic cardiomyopathy

    Jalanko, M., Väänänen, H., Tarkiainen, M., Sipola, P., Jääskeläinen, P., Lauerma, K., Laitinen, T., Laitinen, T., Laine, M., Heliö, T. & 2 others, Kuusisto, J. & Viitasalo, M., Nov 2018, In : Annals of Noninvasive Electrocardiology. 23, 6, p. 1-10 e12582.

    Research output: Contribution to journalArticleScientificpeer-review

  3. Published

    Peak CK-MB has a strong association with chronic scar size and wall motion abnormalities after revascularized non-transmural myocardial infarction-A prospective CMR study

    Pöyhönen, P., Kylmälä, M., Vesterinen, P., Kivistö, S., Holmström, M., Lauerma, K., Väänänen, H., Toivonen, L. & Hänninen, H., 8 Feb 2018, In : BMC Cardiovascular Disorders. 18, 1, 27.

    Research output: Contribution to journalArticleScientificpeer-review

  4. 2017
  5. Published

    Vasomotor hot flashes and cardiac repolarization: A randomized placebo-controlled trial of postmenopausal hormone therapy

    Lantto, H., Haapalahti, P., Viitasalo, M., Väänänen, H., Sovijärvi, A. R. A., Ylikorkala, O. & Mikkola, T. S., 1 Dec 2017, In : Menopause. 24, 12, p. 1386-1391 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  6. Published

    Electrocardiogram classification - A human expert way

    Väänänen, H. & Mäkelä, J., 2017, In : Computing in Cardiology. 44, p. 1-4 4 p.

    Research output: Contribution to journalConference articleScientificpeer-review

  7. 2016
  8. Published

    Slowed depolarization and irregular repolarization in catecholaminergic polymorphic ventricular tachycardia: A study from cellular Ca2+ transients and action potentials to clinical monophasic action potentials and electrocardiography

    Paavola, J., Väänänen, H., Larsson, K., Penttinen, K., Toivonen, L., Kontula, K., Laine, M., Aalto-Setälä, K., Swan, H. & Viitasalo, M., 1 Oct 2016, In : Europace. 18, 10, p. 1599-1607 9 p.

    Research output: Contribution to journalArticleScientificpeer-review

  9. Published

    Cardiac repolarization in recently postmenopausal women with or without hot flushes

    Lantto, H., Mikkola, T. S., Tuomikoski, P., Viitasalo, M., Väänänen, H., Sovijärvi, A. R. A. & Haapalahti, P., 25 May 2016, In : MENOPAUSE: THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY. 23, 5, p. 528-534 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  10. Published

    Time and frequency-based approach to heart sound segmentation and classification

    Makela, J. & Vaananen, H., 1 Mar 2016, Computing in Cardiology Conference, CinC 2016. Vol. 43. p. 577-580 4 p. 7868808

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  11. 2015
  12. Published

    Sensitivity and Specificity of Automated Detection of Early Repolarization in Standard 12-Lead Electrocardiography

    Kenttä, T., Porthan, K., Tikkanen, J. T., Väänänen, H., Oikarinen, L., Viitasalo, M., Karanko, H., Laaksonen, M. & Huikuri, H. V., 1 Jul 2015, In : Annals of Noninvasive Electrocardiology. 20, 4, p. 355-361 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  13. Published

    Assessment of Myocardial Infarct Size with Body Surface Potential Mapping: Validation against Contrast-Enhanced Cardiac Magnetic Resonance Imaging

    Kylmälä, M. M., Konttila, T., Vesterinen, P., Kivistö, S. M., Lauerma, K., Lindholm, M., Väänänen, H., Stenroos, M., Nieminen, M. S., Hänninen, H. & 1 others, Toivonen, L., 2015, In : Annals of Noninvasive Electrocardiology. 20, 3, p. 240-252

    Research output: Contribution to journalArticleScientificpeer-review

  14. 2013
  15. Published

    U wave features in body surface potential mapping in post-myocardial infarction patients

    Wang, B., Korhonen, P., Tierala, I., Hänninen, H., Väänänen, H. & Toivonen, L., Nov 2013, In : Annals of Noninvasive Electrocardiology. 18, 6, p. 538-546 9 p.

    Research output: Contribution to journalArticleScientificpeer-review

  16. Published

    Predicting Recovery of Myocardial Function by Electrocardiography after Acute Infarction

    Kylmälä, M. M., Konttila, T., Vesterinen, P., Lindholm, M., Väänänen, H., Stenroos, M., Nieminen, M. S., Hänninen, H. & Toivonen, L., 2013, In : Annals of Noninvasive Electrocardiology. 18, 3, p. 230-239

    Research output: Contribution to journalArticleScientificpeer-review

  17. Published

    Predictive Value of Electrocardiographic T-Wave Morphology Parameters and T-Wave Peak to T-Wave End Interval for Sudden Cardiac Death in the General Population

    Porthan, K., Viitasalo, M., Toivonen, L., Havulinna, A. S., Jula, A., Tikkanen, J. T., Väänänen, H., Nieminen, M. S., Huikuri, H. V., Newton-Cheh, C. & 2 others, Salomaa, V. & Oikarinen, L., 2013, In : CIRCULATION: ARRHYTHMIA AND ELECTROPHYSIOLOGY. 6, 4, p. 690-696

    Research output: Contribution to journalArticleScientificpeer-review

  18. 2012
  19. Published

    T-wave morphology after epinephrine bolus may reveal silent long QT syndrome mutation carriers

    Hekkala, A-M., Väänänen, H., Swan, H., Viitasalo, M. & Toivonen, L., Jul 2012, In : Journal of Electrocardiology. 45, 4, p. 368-372 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  20. Published

    Vasomotor hot flashes and heart rate variability: a placebo-controlled trial of postmenopausal hormone therapy

    Lantto, H., Haapalahti, P., Tuomikoski, P., Viitasalo, M., Väänänen, H., Sovijärvi, A., Ylikorkala, O. & Mikkola, T., 2012, In : MENOPAUSE: THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY. 19, 1, p. 82-88

    Research output: Contribution to journalArticleScientificpeer-review

  21. 2011
  22. Published

    Comparison of QT peak and QT end interval responses to autonomic adaptation in asymptomatic LQT1 mutation carriers

    Haapalahti, P., Viitasalo, M., Perhonen, M., Väänänen, H., Mäkijärvi, M., Swan, H. & Toivonen, L., 2011, In : CLINICAL PHYSIOLOGY AND FUNCTIONAL IMAGING. 31, 3, p. 209-14

    Research output: Contribution to journalArticleScientificpeer-review

  23. Published

    Epinephrine bolus test in detecting long qt syndrome mutation carriers with indeterminable electrocardiographic phenotype

    Hekkala, A. M., Swan, H., Viitasalo, M., Väänänen, H. & Toivonen, L., 2011, In : Annals of Noninvasive Electrocardiology. 16, 2, p. 172-9

    Research output: Contribution to journalArticleScientificpeer-review

  24. Published

    Portable Computer-Vision Rack for Electrode Detection

    Konttila, T. & Väänänen, H., 2011, 5th European Conference of the International Federation for Medical and Biological Engineering, Budapest, Hungary, 14--18 September 2011. p. 165-168

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  25. Published

    The early repolarization pattern in the general population: clinical correlates and heritability

    Noseworthy, P. A., Tikkanen, J. T., Porthan, K., Oikarinen, L., Pietilä, A., Harald, K., Peloso, G. M., Merchant, F. M., Jula, A., Väänänen, H. & 5 others, Hwang, S. J., "O'Donnell", C. J., Salomaa, V., Newton-Cheh, C. & Huikuri, H. V., 2011, In : Journal of the American College of Cardiology. 57, 22, p. 2284-9

    Research output: Contribution to journalArticleScientificpeer-review

  26. 2010
  27. Published

    Abnormal repolarization dynamics revealed in exercise test in long QT syndrome mutation carriers with normal resting QT interval

    Hekkala, A-M., Viitasalo, M., Väänänen, H., Swan, H. & Toivonen, L., 2010, In : Europace. 12, 9, p. 1296-1301

    Research output: Contribution to journalArticleScientificpeer-review

  28. Published

    Association between vasomotor hot flashes and heart rate variability in recently postmenopausal women

    Hoikkala, H., Haapalahti, P., Viitasalo, M., Väänänen, H., Sovijärvi, A., Ylikorkala, O. & Mikkola, T., 2010, In : MENOPAUSE: THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY. 17, 2, p. 315-320

    Research output: Contribution to journalArticleScientificpeer-review

  29. Published

    Dynamic QT/RR relationship in post-myocardial infarction patients with and without cardiac arrest.

    Järvenpää, J., Oikarinen, L., Korhonen, P., Väänänen, H., Toivonen, L. & Viitasalo, M., 2010, In : Scandinavian Cardiovascular Journal. p. 352-8

    Research output: Contribution to journalArticleScientificpeer-review

  30. Published

    Fragmented QRS in Prediction of Cardiac Deaths and Heart Failure Hospitalizations after Myocardial Infarction

    Korhonen, P., Husa, T., Konttila, T., Tierala, I., Mäkijärvi, M., Väänänen, H., Ojanen, J., Vehtari, A. & Toivonen, L., 2010, In : Annals of Noninvasive Electrocardiology. 15, 2, p. 130-137

    Research output: Contribution to journalArticleScientificpeer-review

  31. Published

    Imbalance of the autonomic nervous system at night in women with gestational diabetes

    Pöyhönen-Alho, M., Viitasalo, M., Nicholls, M. G., Lindström, B-M., Väänänen, H. & Kaaja, R., 2010, In : DIABETIC MEDICINE. 27, 9, p. 988-994

    Research output: Contribution to journalArticleScientificpeer-review

  32. Published

    Relationship of common candidate gene variants to electrocardiographic T-wave peak to T-wave end interval and T-wave morphology parameters

    Porthan, K., Marjamaa, A., Viitasalo, M., Väänänen, H., Jula, A., Toivonen, L., Nieminen, M. S., Newton-Cheh, C., Salomaa, V., Kontula, K. & 1 others, Oikarinen, L., 2010, In : HEART RHYTHM. 7, 7, p. 898-903

    Research output: Contribution to journalArticleScientificpeer-review

  33. 2009
  34. Published

    Common candidate gene variants are associated with QT interval duration in the general population

    Marjamaa, A., Newton-Cheh, C., Porthan, K., Reunanen, A., Lahermo, P., Väänänen, H., Jula, A., Karanko, H., Swan, H., Toivonen, L. & 7 others, Nieminen, M. S., Viitasalo, M., Peltonen, L., Oikarinen, L., Palotie, A., Kontula, K. & Salomaa, V., 2009, In : Journal of Internal Medicine. 265, 4, p. 448-458

    Research output: Contribution to journalArticleScientificpeer-review

  35. Published

    Complex T-wave morphology in body surface potential mapping in prediction of arrhythmic events in patients with acute myocardial infarction and cardiac dysfunction

    Korhonen, P., Husa, T., Konttila, T., Tierala, I., Mäkijärvi, M., Väänänen, H. & Toivonen, L., 2009, In : Europace. 11, 4, p. 514-520

    Research output: Contribution to journalArticleScientificpeer-review

  36. Published

    High prevalence of four long QT syndrome founder mutations in the Finnish population

    Marjamaa, A., Salomaa, V., Newton-Cheh, C., Porthan, K., Reunanen, A., Karanko, H., Jula, A., Lahermo, P., Väänänen, H., Toivonen, L. & 7 others, Swan, H., Viitasalo, M., Nieminen, M. S., Peltonen, L., Oikarinen, L., Palotie, A. & Kontula, K., 2009, In : Annals of Medicine. 41, 3, p. 234-40

    Research output: Contribution to journalArticleScientificpeer-review

  37. Published

    Non-invasive detection of conduction pathways to left atrium using magnetocardiography: validation by intra-cardiac electroanatomic mapping

    Jurkko, R., Mäntynen, V., Tapanainen, J., Montonen, J., Väänänen, H., Parikka, H. & Toivonen, L., 2009, In : Europace. 11, 2, p. 169-177

    Research output: Contribution to journalArticleScientificpeer-review

  38. Published

    Predective Value of Electrocardiographic QT interval and T-wave morphology parameters for all-cause and acrdiovascular mortality in a general population sample.

    Porthan, K., Viitasalo, M., Jula, A., Reunanen, A., Rapola, J., Väänänen, H., Nieminen, M. S., Toivonen, L., Salomaa, V. & Oikarinen, L., 2009, In : HEART RHYTHM. 6, 8, p. 1202-8

    Research output: Contribution to journalArticleScientificpeer-review

  39. Published

    Reversal of Atrial Remodeling after Cardioversion of Persistent Atrial Fibrillation Measured with Magnetocardiography

    Lehto, M., Jurkko, R., Parikka, H., Mäntynen, V., Väänänen, H., Montonen, J., Voipio-Pulkki, L., Toivonen, L. & Laine, M., 2009, In : PACE: PACING AND CLINICAL ELECTROPHYSIOLOGY. 32, 2, p. 217-223

    Research output: Contribution to journalArticleScientificpeer-review

  40. Published

    Short-term Electrophysiological Effects of Losartan, Bisprolol, Amlodipine and hydrochlorothiazide in Hypertensive Men

    Porthan, K., Viitasalo, M., Hiltunen, T., Väänänen, H., Dabek, J., Suonsyrjä, T., Hannila-Handenberg, T., Virolainen, J., Nieminen, MS., Toivonen, L. & 2 others, Kontula, K. & Oikarinen, L., 2009, In : Annals of Medicine. 41, 1, p. 29-37

    Research output: Contribution to journalArticleScientificpeer-review

  41. 2008
  42. Published

    Electrocardiographic interventricular dispersion of repolarization during autonomic adaptation in LQT1 subtype of long QT syndrome

    Haapalahti, P., Viitasalo, M., Perhonen, M., Mäkijärvi, M., Väänänen, H., Oikarinen, L., Salorinne, Y., Swan, H. & Toivonen, L., 2008, In : Scandinavian Cardiovascular Journal. 42, 2, p. 130-136

    Research output: Contribution to journalArticleScientificpeer-review

  43. Published

    Electrocardiographic transmural dispersion of repolarization in patients with inherited short QT syndrome

    Anttonen, O., Väänänen, H., Junttila, J., Huikuri, H. V. & Viitasalo, M., 2008, In : Annals of Noninvasive Electrocardiology. 13, 3, p. 295-300

    Research output: Contribution to journalArticleScientificpeer-review

  44. Published

    Electrocardiographic ventricular repolarization during cardiovascular autonomic function testing in patients with arrhythmogenic right ventricular cardiomyopathy

    Haapalahti, P., Viitasalo, M., Kaartinen, M., Väänänen, H., Oikarinen, L. & Toivonen, L., 2008, In : Scandinavian Cardiovascular Journal. 10

    Research output: Contribution to journalArticleScientificpeer-review

  45. Published

    High-Resolution Signal-Averaged Analysis of Atrial Electromagnetic Characteristics in Patients with Paroxysmal Lone Atrial Fibrillation

    Jurkko, R., Väänänen, H., Mäntynen, V., Kuusisto, J., Mäkijärvi, M. & Toivonen, L., 2008, In : Annals of Noninvasive Electrocardiology. 13, 4, p. 378-385

    Research output: Contribution to journalArticleScientificpeer-review

  46. Published

    Localization of prior myocardial infarction by repolarization variables

    Vesterinen, P., Väänänen, H., Stenroos, M., Hänninen, H., Korhonen, P., Tierala, I., Husa, T., Mäkijärvi, M. & Toivonen, L., 2008, In : International Journal of Cardiology. 124, 1, p. 100-106

    Research output: Contribution to journalArticleScientificpeer-review

  47. Published

    Nonlinear Detection of T-Wave Alternans

    Väänänen, H., 2008, p. 769-772, (Computers in Cardiology, Italia 2008).

    Research output: Working paperProfessional

  48. Published

    Single-lead electrocardiographic variables in the detection of prior myocardial infarction with respect to Q-wave status and infarct age

    Vesterinen, P., Väänänen, H., Hanninen, H., Korhonen, P., Tierala, I., Husa, T., Mäkijärvi, M. & Toivonen, L., 2008, In : Cardiology. 109, 4, p. 222-229

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    U-waves and T-wave peak to T-wave end intervals in patients with catecholaminergic polymorphic ventricular tachycardial effects of beta-blockers

    Viitasalo, M., Oikarinen, L., Väänänen, H., Kontula, K., Toivonen, L. & Swan, H., 2008, In : HEART RHYTHM. 5, 10, p. 1382-1388

    Research output: Contribution to journalArticleScientificpeer-review

  50. 2007
  51. Published

    Atrial signal charasteristics during sinus rhythm differentiate subclasses of lone paroxysmal atrial fibrillation

    Koskinen, R., Tapanainen, J., Lehto, M., Montonen, J., Väänänen, H., Parikka, H. & Toivonen, L., 2007, p. S20, (XXI Nordic Congress of Cardiology - Oulu, Finland, June 6-8, 2007).

    Research output: Working paperProfessional

  52. Published

    Changing capacity of electrocardiographic ventricular repolarization infarction patients with and without nonfatal cardiac arrest

    Järvenpää, J., Oikarinen, L., Korhonen, P., Väänänen, H., Toivonen, L. & Viitasalo, M., 2007, In : American Journal of Cardiology. 99, 3, p. 295-9

    Research output: Contribution to journalArticleScientificpeer-review

  53. Published

    Diagnostic information from MCG: Software and case studies

    Väänänen, H., Vesterinen, P., Stenroos, M., Hänninen, H. & Ilmoniemi, R., 2007, Jahrestagung der Deutschen Gesellschaft für Biomedizinische Technik (DGBMT) im VDE, Aachen, Germany, September 26-29, 2007. p. cd-rom

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  54. Published

    Electrocardiographic transmural dispersion of repolarization in patients with inherited short QT syndrome

    Anttonen, O., Junttila, J., Väänänen, H., Huikuri, H. & Viitasalo, M., 2007, p. S22, (XXI Nordic Congress of Cardiology - Oulu, Finland, June 6-8, 2007).

    Research output: Working paperProfessional

  55. Published

    Increased Complexity of ST-T Waves in Body Surface Potential Mapping Predicts Arrhytmic Events after Myocardial Infarction and Cardiac Dysfunction

    Korhonen, P., Konttila, T., Husa, T., Tierala, I., Mäkijärvi, M., Väänänen, H. & Toivonen, L., 2007, p. 116, (AHA Scientific Sessions; Orlando, Florida, November 4-6, 2007).

    Research output: Working paperProfessional

  56. Published

    Patients with persistent atrial fibrallation have electrically but not functionally remodeled atria even after sustained sinus rhythm

    Lehto, M., Koskinen, R., Laine, M., Parikka, H., Mäntynen, V., Väänänen, H., Montonen, J., Voipio, L-M. & Toivonen, L., 2007, p. S7, (XXI Nordic Congress of Cardiology - Oulu, Finland, June 6-8, 2007).

    Research output: Working paperProfessional

  57. Published

    Relationship of electrocardiographic repolarization measures to echocardiographic left ventricular mass in men with hypertension

    Porthan, K., Virolainen, J., Hiltunen, T., Viitasalo, M., Väänänen, H., Dabek, J., Hannila-Handelberg, T., Toivonen, L., Nieminen, M., Kontula, K. & 1 others, Oikarinen, L., 2007, In : Journal of Hypertension. 25, 9, p. 1951-7

    Research output: Contribution to journalArticleScientificpeer-review

  58. Published

    Sudden symphatic activation and electrocardiographic interventricular dispersion of repolarization in type 1 long QT syndrome

    Haapalahti, P., Viitasalo, M., Perhonen, M., Mäkijärvi, M., Väänänen, H., Oikarinen, L., Salorinne, Y., Swan, H. & Toivonen, L., 2007, p. S24, (XXI Nordic Congress of Cardiology - Oulu, Finland, June 6-8, 2007).

    Research output: Working paperProfessional

  59. Published

    The effect of antihistamine cetirizine on ventricular repolarization in congenital long QT syndrome

    Hekkala, A-M., Swan, H., Väänänen, H., Viitasalo, M. & Toivonen, L., 2007, In : Journal of Cardiovascular Electrophysiology. 18, 7, p. 691-5

    Research output: Contribution to journalArticleScientificpeer-review

  60. 2006
  61. Published

    Effect of physical training on ventricular repolarization in type 1 long QT syndrome: a pilot study in asymptomatic carriers of the G589D KCNQ1 mutation

    Perhonen, M., Haapalahti, P., Kivistö, S., Hekkala, A-M., Väänänen, H., Swan, H. & Toivonen, L., 2006, In : Europace. 8, 10, p. 894-8

    Research output: Contribution to journalArticleScientificpeer-review

  62. Published

    Effects of beta-blocker therapy on ventricular repolarization documented by 24-h electrocardiography in patients with type 1 long-QT syndrome

    Viitasalo, M., Oikarinen, L., Swan, H., Väänänen, H., Järvenpää, J., Hietanen, H., Karjalainen, J. & Toivonen, L., 2006, In : Journal of the American College of Cardiology. 48, 4, p. 747-53

    Research output: Contribution to journalArticleScientificpeer-review

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