Per Grøttum

Image of Per Grøttum
Norwegian version of this page
Phone +47-22852457
Mobile phone +47-92023009
Username
Visiting address Ole Johan Dahls hus 10th floor Gaustadalleen 23 B 0373 OSLO
Postal address Postboks 1080 Blindern 0316 OSLO

Academic interests

Fetal biometry. Modeling and simulation of cardiac electrophysiology. Medical education research.

Background

  • Professor of medical informatics (1995 - )
  • PhD (1990)
  • MD (1978)

Collaboration

  • National Center of Fetal Medicine, St. Olav University Hospital, Trondheim, Norway.
  • Simula Research Laboratory, Lysaker, Norway.
Tags: ICT and learning, Video, E-learning, Pedagogics, Sound, Image

Publications

  • Gjessing, Håkon K.; Grøttum, Per; Økland, Inger & Eik-Nes, Sturla (2016). Fetal size monitoring and birth-weight prediction: a new population-based approach. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  49(4), s 500- 507 . doi: 10.1002/uog.15954
  • Nielsen, Bjørn Fredrik; Lysaker, Ola Marius & Grøttum, Per (2013). Computing Ischemic Regions in the Heart With the Bidomain Model—First Steps Towards Validation. IEEE Transactions on Medical Imaging.  ISSN 0278-0062.  32(6), s 1085- 1096 . doi: 10.1109/TMI.2013.2254123
  • Lysaker, Ola Marius; Nielsen, Bjørn Fredrik & Grøttum, Per (2012). On the Use of the Bidomain Model for Computing the Position and Size of Ischemic Regions; a Validation Study, In Alan Murray (ed.),  Computing in Cardiology 2012, Volume 39.  Computing in Cardiology.  ISBN 978-1-4673-2076-4.  7-4: Modeling of Ischemia and Cardiac Electromechanics.  s 449 - 452
  • Økland, Inger; Nakling, Ole Jakob; Gjessing, Håkon K.; Grøttum, Per & Eik-Nes, Sturla (2012). Advantages of the population-based approach to pregnancy dating: results from 23 020 ultrasound examinations. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  39(5), s 563- 568 . doi: 10.1002/uog.10081
  • Økland, Inger; Bjåstad, Tore; Johansen, Tonni Franke; Gjessing, Håkon; Grøttum, Per & Eik-Nes, Sturla (2011). Narrowed beam width in newer ultrasound machines shortens measurements in the lateral direction: fetal measurement charts may be obsolete. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  38(1), s 82- 87 . doi: 10.1002/uog.8954
  • Økland, Inger; Gjessing, Håkon; Grøttum, Per; Eggebø, Torbjørn Moe & Eik-Nes, Sturla (2011). A new population-based term prediction model vs. two traditional sample-based models: validation on 9046 ultrasound examinations. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  37(2), s 207- 213 . doi: 10.1002/uog.7728
  • Nielsen, Bjørn Fredrik; Lysaker, O.M.; Grøttum, Per; Mardal, Kent-Andre; Tveito, Aslak; Tarrou, Christian; Haugaa, K.; Abildgaard, A. & Fjeld, J.G. (2010). Can ECG recordings and mathematics tell the condition of your heart?, In Aslak Tveito; Are Magnus Bruaset & Olav Lysne (ed.),  Simula Research Laboratory - by thinking constantly about it.  Springer.  ISBN 978-3-642-01155-9.  22.  s 287 - 319
  • Økland, Inger; Gjessing, Håkon; Grøttum, Per & Eik-Nes, Sturla (2010). Biases of traditional term prediction models: results from different sample-based models evaluated on 41 343 ultrasound examinations. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  36(6), s 728- 734 . doi: 10.1002/uog.7707
  • Gjessing, Håkon K.; Grøttum, Per; Grottum, P & Eik-Nes, Sturla (2007). A direct method for ultrasound prediction of day of delivery: a new, population-based approach. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  30(1), s 19- 27 . doi: 10.1002/uog.4053
  • Strømsø, Helge Ivar; Grøttum, Per & Lycke, Kirsten Hofgaard (2007). Content and processes in problem-based learning: A comparison of computer mediated and face-to-face communication. Journal of Computer Assisted Learning.  ISSN 0266-4909.  23(3), s 271- 282 . doi: 10.1111/j.1365-2729.2007.00221.x
  • Lycke, Kirsten Hofgaard; Strømsø, Helge Ivar & Grøttum, Per (2006). Tracing the tutor role in problem-based learning and PBLonline, In Maggi Savin-Baden & Kay Wilkie (ed.),  Problem-based learning online.  Open University Press.  ISBN 0335220061.  4.  s 45 - 60
  • Lines, Glenn T.; Sande, Jørn Bodvar; Louch, William Edward; Mørk, Halvor Kjeang; Grøttum, Per & Sejersted, Ole M (2006). Contribution of the Na-Ca exchanger to rapid Ca release in cardiomyocytes. Biophysical Journal.  ISSN 0006-3495.  91, s 779- 792
  • Lycke, Kirsten Hofgaard; Grøttum, Per & Strømsø, Helge Ivar (2006). Student learning strategies, mental models and learning outcomes in problem-based and traditional curricula in medicine. Medical Teacher.  ISSN 0142-159X.  28(8), s 717- 722 . doi: 10.1080/01421590601105645
  • Strømsø, Helge Ivar; Grøttum, Per & Lycke, Kirsten Hofgaard (2004). Changes in student approaches to learning with the introduction of computer-supported problem-based learning. Medical Education.  ISSN 0308-0110.  38(4), s 390- 398
  • Østby, Ivar; Kvalheim, Gunnar; Rusten, LS & Grøttum, Per (2004). Mathematical modeling of granulocyte reconstitution after high-dose chemotherapy with stem cell support: effect of post-transplant G-CSF treatment. Journal of Theoretical Biology.  ISSN 0022-5193.  231(1), s 69- 83
  • Sundnes, Joakim; Lines, Glenn Terje; Grøttum, Per & Tveito, Aslak (2003). Electrical activity in the human heart, In  Advanced topics in computational partial differential equations. Numerical methods and Diffpack programming.  Springer.  ISBN 3-540-01438-1.  Kap. 10.  s 401 - 449
  • Østby, Ivar; Benestad, Haakon Breien & Grøttum, Per (2003). Mathematical modeling of human granulopoiesis: the possible importance of regulated apoptosis. Mathematical Biosciences.  ISSN 0025-5564.  186, s 1- 27
  • Østby, Ivar; Rusten, L.S.; Kvalheim, Gunnar & Grøttum, Per (2003). A mathematical model for reconstitution of granulopoiesis after high dose chemotherapy with autologous stem cell transplantation. Journal of Mathematical Biology.  ISSN 0303-6812.  47, s 101- 136
  • Lines, Glenn Terje; Buist, Martin L.; Grøttum, Per; Pullan, Andrew J.; Sundnes, Joakim & Tveito, Aslak (2002). Mathematical Models and Numerical Methods for the Forward Problem in Cardiac Electrophsysiology. Computing and Visualization in Science.  ISSN 1432-9360.
  • Lunde, Ottar; Djøseland, Ole & Grøttum, Per (2001). Polycystic ovarian syndrome: a forllow-up study on fertility and menstrual pattern in 149 patients 15-25 years after ovarian wedge resection. Human Reproduction.  ISSN 0268-1161.  16, s 1479- 1485
  • Tunon, Katarina; Eik-Nes, Sturla; Grøttum, Per; Düring, Vidar von & Kahn, Jarl A. (2000). Gestational age in pregnancies conceived after in vitro fertilization: a comparison between age assessed from oocyte retrieval, crown-rump length and biparietal diameter. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  15(1), s 41- 46
  • Tunon, Katarina; Eik-Nes, Sturla & Grøttum, Per (1999). Fetal outcome in pregnancies defined as post-term according to the last menstrual period estimate, but not according to the ultrasound estimate. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  14, s 12- 16
  • Tunon, Katarina; Eik-Nes, Sturla & Grøttum, Per (1999). Fetal outcome when the ultrasound estimate of the day of delivery is more than 14 days later than the last menstrual period estimate. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  14, s 17- 22
  • Tunon, Katarina; Eik-Nes, Sturla & Grøttum, Per (1998). The impact of fetal, maternal and external factors on prediction of the day of delivery by the use of ultrasound. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  11(2), s 99- 103
  • Tunon, Katarina; Eik-Nes, Sturla & Grøttum, Per (1996). A comparison between ultrasound and a reliable last menstrual period as predictors of the day of delivery in 15000 examinations. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  8, s 178- 185
  • Yang, Luren; Albregtsen, Fritz; Lønnestad, T; Grøttum, Per; Iversen, Jens Gustav; Røtnes, Jan Sigurd & Røttingen, John-Arne (1995). Measuring shape and motion of white blood cells from a sequence of fluorescence microscopy images, I: G Borgefors (red.),  Theory and applications of image analysis II.  World Scientific, Singapore.  s 305 - 316
  • Grøttum, Per (1987). Monitoring of infarct size and infarct evolution by serial analysis of QRS vector differences. Journal of Electrocardiology.  ISSN 0022-0736.  20, s 81- 83
  • Grøttum, Per; Sederholm, Magnus & Kjekshus, John (1987). Quantitative and temporal relation between the release of myoglobin and creatine kinase and the evolution of vectorcardiographic changes during acute myocardial infarction in man. Cardiovascular Research.  ISSN 0008-6363.  21(9), s 652- 659
  • Grøttum, Per & Kjekshus, John (1986). A comparison of cumulated CK release with three vectorcardiographic methods of estimating myocardial infarct size. Journal of Electrocardiology.  ISSN 0022-0736.  19(4), s 337- 345
  • Grøttum, Per; Mohr, Brit & Kjekshus, John (1986). Evolution of vectorcardiographic QRS changes during myocardial infarction in dogs and their relation to infarct size. Cardiovascular Research.  ISSN 0008-6363.  20(2), s 108- 116
  • Sederholm, Magnus; Grøttum, Per; Erhardt, Leif & Kjekshus, John (1983). Quantitative assessment of myocardial ischemia and necrosis by continuous vectorcardiography and measurement of creatine kinase release in patients. Circulation.  ISSN 0009-7322.  68(5), s 1006- 1012

View all works in Cristin

  • Eik-Nes, Sturla; Grøttum, Per & Gjessing, Hakon (2017). Fødselstermin og fosteralder - to sider av samme sak.
  • Geitung, Jonn Terje & Grøttum, Per (2016). Ultralyd som integrert del av medisinstudiet. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  136(14/15), s 1192 . doi: 10.4045/tidsskr.16.0544
  • Økland, Inger; Gjessing, Håkon K.; Grøttum, Per & Eik-Nes, Sturla (2012). OP32.01: The importance of standardizing pregnancy dating models. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  40, s 151- 152 . doi: 10.1002/uog.11699
  • Økland, Ingrid; Gjessing, Håkon K.; Grøttum, Per & Eik-Nes, Sturla (2012). Advantages of the population-based approch to pregnancy dating demonstrated with results from 73,400 second-trimester ultrasound examinations. Acta Obstetricia et Gynecologica Scandinavica.  ISSN 0001-6349.  91, s 116- 117
  • Gjessing, Håkon K.; Grøttum, Per; Økland, Inger & Eik-Nes, Sturla (2010). Comment and reply on: Prediction of the date of delivery based on first trimester ultrasound measurements: an independent method from estimated date of conception. Journal of Maternal-Fetal & Neonatal Medicine.  ISSN 1476-7058.  23(8), s 944- 946 . doi: 10.3109/14767050903420309
  • Gjessing, Håkon K; Grøttum, Per; Økland, Inger & Eik-Nes, Sturla H (2009). Comment and reply on: Prediction of the date of delivery based on first trimester ultrasound measurements: an independent method from estimated date of conception. Journal of Maternal-Fetal & Neonatal Medicine.  ISSN 1476-7058. . doi: 10.3109/14767050903420309
  • Gjessing, Håkon K; Grøttum, Per & Eik-Nes, Sturla H (2008). Re: A direct method for ultrasound prediction of day of delivery: a new, population-based approach. Problems of accounting for a retrospective selection - Reply. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  31(2), s 225- 227
  • Haughom, Bente; Guttulsrud, Jan Borge & Grøttum, Per (2008). E-learning in ophthalmology at the University of Oslo. Acta Ophthalmologica.  ISSN 1755-375X.  86, s 2- 2
  • Økland, Inger; Gjessing, Håkon K.; Grøttum, Per; Eggebø, TM & Eik-Nes, Sturla (2007). A new population-based term prediction method-evaluation of the BPD-based predictions. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  30(4), s 478- 479
  • Eik-Nes, Sturla; Blaas, HG; Grøttum, Per & Gjessing, Håkon K. (2007). Predicting remaining time of pregnancy - a new population-based approach for the prediction of day of delivery based on Femur length. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  30(4), s 478- 478 . doi: 10.1002/uog.4467
  • Gjessing, Håkon K. & Grøttum, Per (2007). Accuracy of second trimester fetal head circumference and biparietal diameter for predicting the time of spontaneous birth. Journal of Perinatal Medicine.  ISSN 0300-5577.  35(4), s 350- 351 . doi: 10.1515/JPM.2007.080
  • Økland, Inger; Gjessing, Håkon K.; Grøttum, Per; Eggebø, TM & Eik-Nes, Sturla (2007). A new population-based term prediction method-evaluation of the FL-based predictions. Ultrasound in Obstetrics and Gynecology.  ISSN 0960-7692.  30(4), s 367
  • Eik-Nes, Sturla; Grøttum, Per & Gjessing, Håkon K. (2006). Regarding "Term prediction with ultrasound: evaluation of a new dating curve for biparietal diameter". Acta Obstetricia et Gynecologica Scandinavica.  ISSN 0001-6349.  85, s 1276- 1278
  • Eik-Nes, Sturla; Grøttum, Per & Gjessing, Håkon K. (2006). Regarding "Term prediction with ultrasound: evaluation of a new dating curve for biparietal diameter". Acta Obstetricia et Gynecologica Scandinavica.  ISSN 0001-6349.  85, s 1276- 1279
  • Lycke, Kirsten Hofgaard; Grøttum, Per & Strømsø, Helge Ivar (2005). Student learning strategies, mental models and learning strategies in problem-based and traditional curricula in medicine.
  • Lines, Glenn T.; Sande, Jørn; Grøttum, Per; Strømme, Tævje A & Sejersted, Ole M (2003). Co-localization of sodium-transporters in isolated cardiac cell membrane; a model study. International Journal of Bioelectromagnetism.  ISSN 1456-7857.  5(1), s 179- 180
  • Lines, Glenn Terje; Nielsen, Bjørn Fredrik; Tveito, Aslak; Sundnes, Joakim; Grøttum, Per; Cai, Xing & Mardal, Kent-Andre (2003). Computing the electrical activity in the human heart.
  • Lycke, Kirsten Hofgaard; Strømsø, Helge Ivar & Grøttum, Per (2003). Tracing the tutor role in knowledge building: Analytical phases and results.
  • Strømsø, Helge Ivar; Grøttum, Per & Lycke, Kirsten Hofgaard (2003). Student Explanations in Face-to-Face and in Computer Supported Problem-Based Learning.
  • Tveito, Aslak; Lines, Glenn Terje; Nielsen, Bjørn Fredrik; Sundnes, Joakim; Grøttum, Per; Cai, Xing & Mardal, Kent-Andre (2003). Computing the heart.
  • Tveito, Aslak; Lines, Glenn Terje; Sundnes, Joakim; Nielsen, Bjørn Fredrik; Grøttum, Per; Cai, Xing & Mardal, Kent-Andre (2003). Computing the electrical activity in the human heart.
  • Lycke, Kirsten Hofgaard; Strømsø, Helge Ivar & Grøttum, Per (2002). The tutor role in computer-supported andface-to-face collaborative learning in groups.
  • Lycke, Kirsten Hofgaard; Strømsø, Helge Ivar & Grøttum, Per (2002). PBL goes ICT: Problem-based learning in face-to-face and distributed groups in medical education at the University of Oslo.
  • Lycke, Kirsten Hofgaard; Strømsø, Helge Ivar & Grøttum, Per (2002). Tutor training for learning in on-line groups.
  • Strømsø, Helge Ivar; Grøttum, Per & Lycke, Kirsten Hofgaard (2002). Changes in student learning strategies with the introduction of e-learning.
  • Yang, Luren; Albregtsen, Fritz; Lønnestad, Tor; Grøttum, Per & Borgefors, Gunilla (1999). Measuring shape and motion of white blood cells from sequences of fluorescence microskopy.
  • Lines, Glenn Terje; Grøttum, Per & Tveito, Aslak (1998). A Coupled Torso and Myocardium Simulator Using the Luo-Rudy Cell Model - Implementation and Results.
  • Lines, Glenn Terje; Grøttum, Per & Tveito, Aslak (1998). A coupled torso an myocardium simulator using the Luo-Rudy cell model- Implementation and Results. Electrocardiology'98.  ISSN 0285-1660.  s 75- 79
  • Yang, Luren; Albregtsen, Fritz; Lønnestad, Tor; Grøttum, Per; Hlavác, Václav & Sára, Radim (1996). A supervised approach to the evaluation of image segmentation methods.

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Published Apr. 13, 2011 2:34 PM - Last modified June 12, 2012 6:31 PM