| Regional strain and strain rate measurements by cardiac ultrasound: principles, implementation and limitations J D'hooge, A Heimdal, F Jamal, T Kukulski, B Bijnens, F Rademakers, ... European Journal of Echocardiography 1 (3), 154-170, 2000 | 1434 | 2000 |
| Real-time strain rate imaging of the left ventricle by ultrasound A Heimdal, A Støylen, H Torp, T Skjærpe Journal of the American Society of Echocardiography 11 (11), 1013-1019, 1998 | 1259 | 1998 |
| Two-dimensional ultrasonic strain rate measurement of the human heart in vivo J D'hooge, E Konofagou, F Jamal, A Heimdal, L Barrios, B Bijnens, ... IEEE transactions on ultrasonics, ferroelectrics, and frequency control 49 …, 2002 | 252 | 2002 |
| Strain rate imaging by ultrasonography in the diagnosis of coronary artery disease A Støylen, A Heimdal, K Bjørnstad, R Wiseth, H Vik-Mo, H Torp, ... Journal of the American Society of Echocardiography 13 (12), 1053-1064, 2000 | 222 | 2000 |
| Strain rate imaging in normal and reduced diastolic function: comparison with pulsed Doppler tissue imaging of the mitral annulus A Støylen, S Slørdahl, GK Skjelvan, A Heimdal, T Skjaerpe Journal of the American Society of Echocardiography 14 (4), 264-274, 2001 | 169 | 2001 |
| Method and apparatus for real-time calculation and display of strain in ultrasound imaging H Torp, A Heimdal, B Olstad, K Kristofferson US Patent 6,099,471, 2000 | 166 | 2000 |
| Strain rate imaging by ultrasound in the diagnosis of regional dysfunction of the left ventricle A Stoylen, A Heimdal, K Bjornstad, HG Torp, T Skjaerpe Echocardiography 16 (4), 321-329, 1999 | 162 | 1999 |
| Method and apparatus for providing real-time calculation and display of tissue deformation in ultrasound imaging H Torp, B Olstad, A Heimdal, S Bjaerum US Patent 6,352,507, 2002 | 121* | 2002 |
| Ultrasound Doppler measurements of low velocity blood flow: Limitations due to clutter signals from vibrating muscles A Heimdal, H Torp IEEE transactions on ultrasonics, ferroelectrics, and frequency control 44 …, 1997 | 110 | 1997 |
| Method and apparatus for providing real-time calculation and display of tissue deformation in ultrasound imaging H Torp, B Olstad, A Heimdal, S Bjaerum US Patent 6,517,485, 2003 | 96 | 2003 |
| Strain during gastric contractions can be measured using Doppler ultrasonography OH Gilja, A Heimdal, T Hausken, H Gregersen, K Matre, A Berstad, ... Ultrasound in medicine & biology 28 (11-12), 1457-1465, 2002 | 73 | 2002 |
| Method and apparatus for providing real-time calculation and display of tissue deformation in ultrasound imaging H Torp, B Olstad, A Heimdal, S Bjaerum US Patent 7,798,965, 2010 | 72 | 2010 |
| Improved recognition of dysfunctioning myocardial segments by longitudinal strain rate versus velocity in patients with myocardial infarction D Mele, G Pasanisi, A Heimdal, C Cittanti, G Guardigli, RA Levine, ... Journal of the American Society of Echocardiography 17 (4), 313-321, 2004 | 72 | 2004 |
| Radial strain gradient across the normal myocardial wall in open-chest pigs measured with doppler strain rate imaging K Matre, T Fanneløp, GO Dahle, A Heimdal, K Grong Journal of the American Society of Echocardiography 18 (10), 1066-1073, 2005 | 71 | 2005 |
| System and method for planning LV lead placement for cardiac resynchronization therapy A Heimdal US Patent App. 11/801,271, 2008 | 63 | 2008 |
| Method and apparatus for providing real-time calculation and display of tissue deformation in ultrasound imaging H Torp, B Olstad, A Heimdal, S Bjaerum US Patent 6,676,599, 2004 | 61 | 2004 |
| Mechanical properties in the human gastric antrum using B-mode ultrasonography and antral distension H Gregersen, OH Gilja, T Hausken, A Heimdal, C Gao, K Matre, ... American Journal of Physiology-Gastrointestinal and Liver Physiology 283 (2 …, 2002 | 59 | 2002 |
| Method and apparatus for providing real-time calculation and display of tissue deformation in ultrasound imaging H Torp, B Olstad, A Heimdal, S Bjaerum US Patent 7,261,694, 2007 | 41 | 2007 |
| In vitro validation of in-plane strain rate imaging. A new ultrasound technique for evaluating regional myocardial deformation based on tissue Doppler imaging A Heimdal, J D'hooge, B Bijnens, G Sutherland, H Torp Echocardiography 18 (8), 1998 | 39 | 1998 |
| Vessel wall detection and blood noise reduction in intravascular ultrasound imaging A Gronningsaeter, BAJ Angelsen, A Heimdal, HG Torp IEEE transactions on ultrasonics, ferroelectrics, and frequency control 43 …, 1996 | 34 | 1996 |
