D
Dan Loyd
Researcher at Linköping University
Publications - 69
Citations - 735
Dan Loyd is an academic researcher from Linköping University. The author has contributed to research in topics: Body orifice & Heat transfer. The author has an hindex of 15, co-authored 68 publications receiving 721 citations. Previous affiliations of Dan Loyd include University of Rhode Island.
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Mathematical model that characterizes transmitral and pulmonary venous flow velocity patterns
TL;DR: The present model should serve as a useful theoretical basis for echocardiographic evaluation of LV and LA functions and, to a lesser extent, by the increase in LV compliance.
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Errors in body temperature assessment related to individual variation, measuring technique and equipment.
TL;DR: In order to improve the evaluation of body temperature, the assessment should be based on the individual variation, the same site of measurement and no adjustment of oral, ear or axillary temperatures to the rectal site.
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Estimation of volume flow rate by surface integration of velocity vectors from color Doppler images
TL;DR: Electrocardiographic-gated color Doppler images acquired in two orthogonal planes were used to estimate volume flow rate through a bowl-shaped surface at a given time and distance from the probe and agreed well with the measured flows.
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Quantification of heart valve regurgitation : a critical analysis from a theoretical and experimental point of view.
Bengt Wranne,Per Ask,Dan Loyd +2 more
TL;DR: A theoretical analysis is presented regarding factors of importance for the determination of distance of intrusion of the regurgitant jet in heart valve regurgitation based on hydrodynamic theory.
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The Shape of the Proximal Isovelocity Surface Area Varies With Regurgitant Orifice Size and Distance From Orifice: Computer Simulation and Model Experiments With Color M-Mode Technique
Susan A. Barclay,Lars Eidenvall,Matts Karlsson,Gunnar Andersson,Changsheng Xiong,Per Ask,Dan Loyd,Bengt Wranne +7 more
TL;DR: These measurements have implications for the technique in clinical practice and a radius of 8 to 9 mm can be recommended without the use of a correction factor over all orifices studied if a deviation in calculated as compared with true flow of 15% is considered acceptable.