Håvard Kalvøy

Guest researcher
Image of Håvard Kalvøy
Phone +47 23071589
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Visiting address Rikshospitalet - Oslo University Hospital
Postal address OUS-Rikshospitalet Box 4950 Nydalen 0424 Oslo

Academic Interests

Clinical and Biomedical Engineering, and Bioimpedance.

Higher education and employment history

Completed his M.Sc. degree at the Dept. of Physics, University of Oslo in 2003 (Development of equipment and methods for the characterization of single cells by measuring the complex electrical impedance -Norwegian), and has since worked as a researcher at the Dept. of Clinical and Biomedical engineering at Oslo University Hospital. Employee since 2006.

Phd in 2010 after defending his thesis Needle Guidance in Clinical Applications based on Electrical Impedance.

Publications

  • Amini, Maryam; Hisdal, Jonny; Rosales, Antonio; Kalvøy, Håvard & Martinsen, Ørjan Grøttem (2020). Evaluating the Effects of Cold Storage on Vascular Grafts Using Bioimpedance Measurement Techniques. International Federation for Medical and Biological Engineering Proceedings.  ISSN 1680-0737.  s 127- 132 . doi: 10.1007/978-981-13-3498-6_19
  • Amini, Maryam; Kalvøy, Håvard & Martinsen, Ørjan Grøttem (2020). Finite element simulation of the impedance response of a vascular segment as a function of changes in electrode configuration. Journal of Electrical Bioimpedance.  ISSN 1891-5469.  11(1), s 112- 131 . doi: 10.2478/joeb-2020-0017
  • Amini, Maryam; Niemi, Essi Maria; Hisdal, Jonny; Kalvøy, Håvard; Tronstad, Christian; Scholz, Hanne; Rosales, Antonio & Martinsen, Ørjan Grøttem (2020). Monitoring the quality of frozen-thawed venous segments using bioimpedance spectroscopy. Physiological Measurement.  ISSN 0967-3334.  41(4) . doi: 10.1088/1361-6579/ab85b7
  • Cunha, Andrè Bastos da; Schuelke, Christin; Heiskanen, Arto; Asif, Afia; Hassan, Yasmin M.; Keller, Stephan S.; Kalvøy, Håvard; Martínez-Serrano, Alberto; Emnéus, Jenny & Martinsen, Ørjan Grøttem (2020). Bioimpedance Measurements on Human Neural Stem Cells as a Benchmark for the Development of Smart Mobile Biomedical Applications. International Federation for Medical and Biological Engineering Proceedings.  ISSN 1680-0737.  72, s 38- 47 . doi: 10.1007/978-981-13-3498-6_6 Full text in Research Archive. Show summary
  • Tronstad, Christian; Martinsen, Tormod; Olsen, Morten; Rosseland, Leiv Arne; Pettersen, Fred-Johan; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav & Kalvøy, Håvard (2020). Splitting one ventilator for multiple patients - a technical assessment. arXiv.org.  ISSN 2331-8422.
  • Aria, Shafa; Elfarri, Yassine; Elvegård, Marius; Gottfridsson, Adam; Grønaas, Halvor; Harang, Sigve Smedsrud; Jensen, Anders; Madland, Thomas Emil Rolland; Martins, Ivar Bruvik; Olstad, Marius Wilhelm; Ryan, Tommy Lee; Shaban, Anwar Nazih; Svenningsen, Øyvind Løken; Sørensen, Andre Djupvik; Ulvestad, Emil Holm; Vister, Ole Martin; Øvergaard, Morten Bratgjerd; Kalvøy, Håvard; Pettersen, Fred-Johan; Odland, Hans Henrik; Joten, Vegard Munkeby; Martinsen, Øyvind Grannes; Tronstad, Christian; Elvebakk, Ole & Martinsen, Ørjan Grøttem (2019). Measuring blood pulse wave velocity with bioimpedance in different age groups. Sensors.  ISSN 1424-8220.  19:850(4), s 1- 10 . doi: 10.3390/s19040850 Full text in Research Archive.
  • Bjørhei, Andreas; Pedersen, Filip T.; Muhammad, Saeed; Tronstad, Christian; Kalvøy, Håvard; Wojniusz, Slawomir; Pabst, Oliver & Sütterlin, Stefan (2019). An investigation on bilateral asymmetry in electrodermal activity. Frontiers in Behavioral Neuroscience.  ISSN 1662-5153.  13(88) . doi: 10.3389/fnbeh.2019.00088 Full text in Research Archive.
  • Elvebakk, Ole; Tronstad, Christian; Birkeland, Kåre I.; Jenssen, Trond Geir; Bjørgaas, Marit Ragnhild Rokne; Gulseth, Hanne Løvdal; Kalvøy, Håvard; Høgetveit, Jan Olav & Martinsen, Ørjan Grøttem (2019). A multiparameter model for non-invasive detection of hypoglycemia. Physiological Measurement.  ISSN 0967-3334.  40(8), s 1- 14 . doi: 10.1088/1361-6579/ab3676 Full text in Research Archive.
  • Martinsen, Tormod; Pettersen, Fred-Johan; Kalvøy, Håvard; Tronstad, Christian; Kvarstein, Gunnvald; Bakken, André; Høgetveit, Jan Olav; Martinsen, Ørjan Grøttem; Grimnes, Sverre & Frich, Lars Inge (2019). Electrosurgery and temperature increase in tissue with a passive metal implant. Frontiers in surgery.  ISSN 2296-875X.  6:8, s 1- 8 . doi: 10.3389/fsurg.2019.00008 Full text in Research Archive.
  • Martinsen, Ørjan Grøttem; Kalvøy, Håvard; Bari, Dindar S. & Tronstad, Christian (2019). A circuit for simultaneous measurements of skin electrical conductance, susceptance, and potential. Journal of Electrical Bioimpedance.  ISSN 1891-5469.  10, s 110- 112 . doi: 10.2478/joeb-2019-0016 Full text in Research Archive.
  • Tronstad, Christian; Elvebakk, Ole; Staal, Odd Martin; Kalvøy, Håvard; Høgetveit, Jan Olav; Jenssen, Trond Geir; Birkeland, Kåre I. & Martinsen, Ørjan Grøttem (2019). Non-invasive prediction of blood glucose trends during hypoglycemia. Analytica Chimica Acta.  ISSN 0003-2670.  1052, s 37- 48 . doi: 10.1016/j.aca.2018.12.009
  • Tronstad, Christian; Høgetveit, Jan Olav; Elvebakk, Ole & Kalvøy, Håvard (2019). Age-related differences in the morphology of the impedance cardiography signal. Journal of Electrical Bioimpedance.  ISSN 1891-5469.  10(1), s 139- 145 . doi: 10.2478/joeb-2019-0020 Full text in Research Archive.
  • Amini, Maryam; Hisdal, Jonny & Kalvøy, Håvard (2018). Applications of bioimpedance measurement techniques in tissue engineering. Journal of Electrical Bioimpedance.  ISSN 1891-5469.  9(1), s 142- 158 . doi: 10.2478/joeb-2018-0019 Full text in Research Archive.
  • Anso, Juan; Balmer, Thomas W; Jegge, Yves; Kalvøy, Håvard; Bell, Brett J; Dur, Cilgia; Calvo, Enric M; Williamson, Tom M; Gerber, Nicolas; Ferrario, Damien; Forterre, Frank; Buchler, Philippe; Stahel, Andreas; Caversaccio, Marco D; Weber, Stefan & Gavaghan, Kate A (2018). Electrical impedance to assess facial nerve proximity during robotic cochlear implantation. IEEE Transactions on Biomedical Engineering.  ISSN 0018-9294.  66(1), s 237- 245 . doi: 10.1109/TBME.2018.2830303
  • Bari, D. S.; Aldosoky, H. Y. Y.; Tronstad, Christian; Kalvøy, Håvard & Martinsen, Ørjan Grøttem (2018). Electrodermal activity responses for quantitative assessment of felt pain. Journal of Electrical Bioimpedance.  ISSN 1891-5469.  9, s 52- 58 . doi: 10.2478/joeb-2018-0010 Full text in Research Archive.
  • Bari, Dindar S.; Aldosky, Haval Y. Yacoob; Tronstad, Christian; Kalvøy, Håvard & Martinsen, Ørjan Grøttem (2018). Influence of relative humidity on electrodermal levels and responses. Skin Pharmacology and Physiology.  ISSN 1660-5527.  31, s 298- 307 . doi: 10.1159/000492275
  • Elvebakk, Ole; Tronstad, Christian; Birkeland, Kåre I.; Jenssen, Trond Geir; Bjørgaas, Marit Ragnhild Rokne; Frøslie, Kathrine Frey; Godang, Kristin; Kalvøy, Håvard; Martinsen, Ørjan Grøttem & Gulseth, Hanne Løvdal (2018). Evaluation of hypoglycaemia with non-invasive sensors in people with type 1 diabetes and impaired awareness of hypoglycaemia. Scientific Reports.  ISSN 2045-2322.  8:14722, s 1- 11 . doi: 10.1038/s41598-018-33189-1 Full text in Research Archive.
  • Strand-Amundsen, Runar James; Tronstad, Christian; Kalvøy, Håvard; Ruud, Tom Erik; Høgetveit, Jan Olav; Martinsen, Ørjan Grøttem & Tønnessen, Tor Inge (2018). Small intestinal ischemia and reperfusion - Bioimpedance measurements. Physiological Measurement.  ISSN 0967-3334.  39(2) . doi: 10.1088/1361-6579/aaa576 Full text in Research Archive.
  • Bari, D. S.; Aldosky, H. Y. Y.; Tronstad, Christian; Kalvøy, Håvard & Martinsen, Ørjan Grøttem (2017). Electrodermal responses to discrete stimuli measured by skin conductance, skin potential, and skin susceptance. Skin research and technology.  ISSN 0909-752X.  24(1), s 108- 116 . doi: 10.1111/srt.12397
  • Kalvøy, Håvard; Tronstad, Christian; Ullensvang, Kyrre; Steinfeldt, Thorsten & Sauter, Axel Rudolf (2017). Detection of needle to nerve contact based on electric bioimpedance and machine learning methods. IEEE Engineering in Medicine and Biology Society. Conference Proceedings.  ISSN 1557-170X.  s 9- 12 . doi: 10.1109/EMBC.2017.8036750
  • Strand-Amundsen, Runar James; Reims, Henrik Mikael; Tronstad, Christian; Kalvøy, Håvard; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav; Ruud, Tom Erik & Tønnessen, Tor Inge (2017). Ischemic small intestine - In vivo versus ex vivo bioimpedance measurements. Physiological Measurement.  ISSN 0967-3334.  38(5), s 715- 728 . doi: 10.1088/1361-6579/aa67b7
  • Tronstad, Christian; Elvebakk, Ole; Kalvøy, Håvard; Bjørgaas, Marit Ragnhild Rokne & Martinsen, Ørjan Grøttem (2017). Detection of sympathoadrenal discharge by parameterisation of skin conductance and ECG measurement. IEEE Engineering in Medicine and Biology Society. Conference Proceedings.  ISSN 1557-170X.  s 3997- 4000 . doi: 10.1109/EMBC.2017.8037732
  • Pettersen, Fred Johan; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav; Kalvøy, Håvard & Odland, Hans Henrik (2016). Bioimpedance spectroscopy of temporal impedance changes in a beating heart. Biomedical Engineering & Physics Express.  ISSN 2057-1976.  2 . doi: 10.1088/2057-1976/2/6/065015
  • Strand-Amundsen, Runar James; Tronstad, Christian; Kalvøy, Håvard; Gundersen, Yngvar; Krohn, Claus Danckert; Aasen, Ansgar Oddne; Holhjem, Lars; Reims, Henrik Mikael; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav; Ruud, Tom Erik & Tønnessen, Tor Inge (2016). In vivo characterization of ischemic small intestine using bioimpedance measurements. Physiological Measurement.  ISSN 0967-3334.  37(2), s 257- 275 . doi: 10.1088/0967-3334/37/2/257 Show summary
  • Kalvøy, Håvard; Aliau-Bonet, C; Pallas-Areny, R. & Martinsen, Ørjan Grøttem (2015). Effects of stray capacitance to ground in three electrode monopolar needle bioimpedance measurements. IEEE Engineering in Medicine and Biology Society. Conference Proceedings.  ISSN 1557-170X.  2015-November, s 7542- 7545 . doi: 10.1109/EMBC.2015.7320137
  • Kalvøy, Håvard & Sauter, Axel Rudolf (2015). Detection of intraneural needle-placement with multiple frequency bioimpedance monitoring: a novel method. Journal of clinical monitoring and computing.  ISSN 1387-1307. . doi: 10.1007/s10877-015-9698-3
  • Pettersen, Fred Johan; Ferdous, Humayra; Kalvøy, Håvard; Martinsen, Ørjan Grøttem & Høgetveit, Jan Olav (2014). Comparison of four different FIM configurations - A simulation study. Physiological Measurement.  ISSN 0967-3334.  35(6), s 1067- 1082 . doi: 10.1088/0967-3334/35/6/1067
  • Haugan, Berit; Langerud, Anne Kathrine; Kalvøy, Håvard; Frøslie, Kathrine Frey; Riise, Else & Kapstad, Heidi (2013). Can we trust the new generation of infrared tympanic thermometers in clinical practice?. Journal of Clinical Nursing (JCN).  ISSN 0962-1067.  22(5-6), s 698- 709 . doi: 10.1111/j.1365-2702.2012.04077.x
  • Tronstad, Christian; Kalvøy, Håvard; Grimnes, Sverre & Martinsen, Ørjan Grøttem (2013). Improved Estimation of Sweating Based on Electrical Properties of Skin. Annals of Biomedical Engineering.  ISSN 0090-6964.  41(5), s 1074- 1083 . doi: 10.1007/s10439-013-0743-4
  • Tronstad, Christian; Kalvøy, Håvard; Grimnes, Sverre & Martinsen, Ørjan Grøttem (2013). Waveform difference between skin conductance and skin potential responses in relation to electrical and evaporative properties of skin. Psychophysiology.  ISSN 0048-5772.  50(11), s 1070- 1078 . doi: 10.1111/psyp.12092
  • Kvaløy, Håvard; Johnsen, Gorm Krogh; Martinsen, Ørjan Grøttem & Grimnes, Sverre (2011). New method for separation of electrode polarization impedance from measured tissue impedance. Open Biomedical Engineering Journal.  ISSN 1874-1207.  5, s 8- 13 . doi: 10.2174/1874120701105010008
  • Høyum, Per; Kalvøy, Håvard; Martinsen, Ørjan Grøttem & Grimnes, Sverre (2010). Finite element model of needle electrode sensitivity. Journal of Physics: Conference Series (JPCS).  ISSN 1742-6588.  224(1)
  • Høyum, Per; Kvaløy, Håvard; Martinsen, Ørjan Grøttem & Grimnes, Sverre (2010). A finite element model of needle electrode spatial sensitivity. Physiological Measurement.  ISSN 0967-3334.  31(10), s 1369- 1379 . doi: 10.1088/0967-3334/31/10/006
  • Kalvøy, Håvard; Høyum, Per; Grimnes, Sverre & Martinsen, Ørjan Grøttem (2010). From impedance theory to needle electrode guidance in tissue. Journal of Physics: Conference Series (JPCS).  ISSN 1742-6588.  224 . doi: 10.1088/1742-6596/224/1/012072
  • Kalvøy, Håvard; Tronstad, Christian; Nordbotten, Bernt Jørgen; Grimnes, Sverre & Martinsen, Ørjan Grøttem (2010). Electrical Impedance of Stainless Steel Needle Electrodes. Annals of Biomedical Engineering.  ISSN 0090-6964.  38(7), s 2371- 2382 . doi: 10.1007/s10439-010-9989-2
  • Martinsen, Ørjan Grøttem; Kalvøy, Håvard; Grimnes, Sverre; Nordbotten, Bernt Jørgen; Hol, Per Kristian; Fosse, Erik; Myklebust, Helge & Becker, Lance B (2010). Invasive electrical impedance tomography for blood vessel detection. Open Biomedical Engineering Journal.  ISSN 1874-1207.  4, s 135- 137 . doi: 10.2174/1874120701004010135
  • Kvaløy, Håvard; Frich, Lars Inge; Grimnes, Sverre; Martinsen, Ørjan Grøttem; Hol, Per Kristian & Stubhaug, Audun (2009). Impedance-based tissue discrimination for needle guidance. Physiological Measurement.  ISSN 0967-3334.  30(2), s 129- 140 . doi: 10.1088/0967-3334/30/2/002
  • Kvaløy, Håvard; Nordbotten, Bernt Jørgen; Tronstad, Christian; Martinsen, Ørjan Grøttem & Grimnes, Sverre (2009). Impedance properties of stainless steel needle electrodes. International Federation for Medical and Biological Engineering Proceedings.  ISSN 1680-0737.  25, s 380- 383
  • Sauter, Axel Rudolf; Dodgson, Michael; Kvaløy, Håvard; Grimnes, Sverre; Stubhaug, Audun & Klaastad, Øivind (2009). Current Threshold for Nerve Stimulation Depends on Electrical Impedance of the Tissue: A Study of Ultrasound-Guided Electrical Nerve Stimulation of the Median Nerve. Anesthesia and Analgesia.  ISSN 0003-2999.  108(4), s 1338- 1343 . doi: 10.1213/ane.0b013e3181957d84
  • Tronstad, Christian; Krogstad, Anne Lene; Kvaløy, Håvard; Grimnes, Sverre & Martinsen, Ørjan Grøttem (2009). Skin AC conductance levels and responses in axillary hyperhidrosis patients. International Federation for Medical and Biological Engineering Proceedings.  ISSN 1680-0737.  25, s 349- 351
  • Kalvøy, Håvard; Martinsen, Ørjan Grøttem & Grimnes, Sverre (2008). Determination of tissue type surrounding a needle tip by electrical bioimpedance. IEEE Engineering in Medicine and Biology Society. Conference Proceedings.  ISSN 1557-170X.  s 2285- 2286
  • Kalvøy, Håvard; Grimnes, Sverre & Martinsen, Ørjan Grøttem (2007). Needle position determined by tissue impedance. International Federation for Medical and Biological Engineering Proceedings.  ISSN 1680-0737.  17, s 205- 208

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  • Kalvøy, Håvard; Sauter, Axel Rudolf; Tronstad, Christian & Martinsen, Ørjan Grøttem (2016). Neural tissue discrimination with machine learning methods. Proceedings of the 16th International Conference on Electrical Bioimpedance.  s 71
  • Pettersen, Fred Johan; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav; Flattum, M.; Kalvøy, Håvard & Odland, Hans Henrik (2016). Using pacemaker leads for bioimpedance and electromyography. Proceedings of the 16th International Conference on Electrical Bioimpedance.  s 73
  • Tronstad, Christian; Elvebakk, Ole; Martinsen, Ørjan Grøttem; Kalvøy, Håvard & Høgetveit, Jan Olav (2016). Bioimpedance for prediction of hypoglycemic trends. Proceedings of the 16th International Conference on Electrical Bioimpedance.
  • Kalvøy, Håvard; Aliau-Bonet, C.; Pallas-Areny, R. & Martinsen, Ørjan Grøttem (2015). Effects of stray capacitance to ground in three electrode monopolar needle bioimpedance measurements.
  • Amoussou-Guenou, Kuassi M.; Houndetoungan, G. D.; Fachinan, O. H.; Kalvøy, Håvard & Martinsen, Ørjan Grøttem (2013). Comparison of two filtration methods in erythrocyte deformability: determination measurement using impedancemetry.
  • Kalvøy, Håvard; Tronstad, Christian; Grimnes, Sverre & Martinsen, Ørjan Grøttem (2013). Simultaneous measurement of DC potential and AC conductance to monitor electrodermal activity at a single electrode.
  • Tronstad, Christian; Kalvøy, Håvard; Grimnes, Sverre & Martinsen, Ørjan Grøttem (2013). Sweat production estimated by bioimpedance and bioelectrical signals.
  • Kvaløy, Håvard; Tronstad, Christian; Grimnes, Sverre & Martinsen, Ørjan Grøttem (2012). Electrodermal activity measured as DC potential and AC conductance at the same electrode. International Federation for Medical and Biological Engineering Proceedings.  ISSN 1680-0737.  39
  • Tronstad, Christian; Kvaløy, Håvard; Martinsen, Ørjan Grøttem & Grimnes, Sverre (2012). New parameters of electrodermal activity and estimation of sweat production. International Federation for Medical and Biological Engineering Proceedings.  ISSN 1680-0737.  39
  • Kalvøy, Håvard (2010). Needle Guidance in Clinical Applications based on Electrical Impedance.
  • Kalvøy, Håvard; Grimnes, Sverre; Martinsen, Ørjan Grøttem & Høyum, Per (2006). Current distribution and impedance in monopolar needle electrode systems.

View all works in Cristin

Published Apr. 14, 2011 10:31 AM - Last modified Apr. 14, 2011 12:37 PM