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  1. Employees

Språkvelger

Norsk

Andreas Asheim

Andreas Asheim

Associate Professor
Department of Mathematical Sciences

andreas.asheim@ntnu.no
+4773592007 1902-bygget, Øya
Publications Media

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2023

  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Bjørngaard, Johan Håkon. (2023) Et trygt fødetilbud er ikke bare et spørsmål om reisetid. Aftenposten (morgenutg. : trykt utg.).
    Feature article
  • Nilsen, Sara Marie; Asheim, Andreas; Bjørngaard, Johan Håkon. (2023) Hvor skal det kuttes?. Dagens medisin.
    Feature article

2022

  • Asheim, Andreas; Nilsen, Sara Marie; Aam, Stina; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Janszky, Imre; Vatten, Lars Johan; Bjørngaard, Johan Håkon. (2022) High ward occupancy, bedspacing, and 60 day mortality for patients with myocardial infarction, stroke, and heart failure. ESC Heart Failure. volum 9 (3).
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth Balstad; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) Effect of Hospital Delivery Volume and Travel Time on Perinatal Mortality and Transport Delivery in Norway. Elsevier. 2022.
    Report
  • Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) How do busy hospital circumstances affect mortality and readmission within 60 days: A cohort study of 680 000 acute admissions in Norway. Health Policy. volum 126 (8).
    Academic article

2021

  • Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan; Bjørngaard, Johan Håkon. (2021) High volumes of recent surgical admissions, time to surgery, and 60-day mortality. The Bone & Joint Journal. volum 103-B (2).
    Academic article

2020

  • Nilsen, Sara Marie; Bjørngaard, Johan Håkon; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan; Asheim, Andreas. (2020) Hospitals' Discharge Tendency and Risk of Death - An Analysis of 60,000 Norwegian Hip Fracture Patients. Clinical Epidemiology. volum 12.
    Academic article

2019

  • Asheim, Andreas; Bjørnsen, Lars Petter Bache-Wiig; Næss-Pleym, Lars Eide; Uleberg, Oddvar; Dale, Jostein; Nilsen, Sara Marie. (2019) Real-time forecasting of emergency department arrivals using prehospital data. BMC Emergency Medicine. volum 19 (42).
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein; Bjørnsen, Lars Petter Bache-Wiig; Bjørngaard, Johan Håkon. (2019) The effect of emergency department delays on 30-days mortality in Central Norway. European journal of emergency medicine. volum 26.
    Academic article
  • Nilsen, Sara Marie; Asheim, Andreas; Tøndel, Gunhild. (2019) Helsepersonells oppfattelse av kapasitetspress i spesialisthelsetjenesten. Tidsskrift for Den norske legeforening. volum 139 (18).
    Academic article

2018

  • Asheim, Andreas; Nilsen, Sara Marie; Toch-Marquardt, Marlen; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Bjørngaard, Johan Håkon. (2018) Time of admission and mortality after hip fracture – a detailed look at the weekend effect in a nationwide study of 55 211 hip fracture patients in Norway. Acta Orthopaedica. volum 89.
    Academic article
  • Halle, Kari Krizak; Nilsen, Sara Marie; Asheim, Andreas. (2018) Lognormalskjerf. -. 2018.
    Visual Arts
  • Krane-Gartiser, Karoline; Asheim, Andreas; Fasmer, Ole Bernt; Morken, Gunnar; Vaaler, Arne; Scott, Jan. (2018) Actigraphy as an objective intra‑individual marker of activity patterns in acute‑phase bipolar disorder: a case series. International journal of bipolar disorders. volum 6 (8).
    Academic article

2016

  • Svensson, U. Peter; Martin Roman, Sara-Regina; Asheim, Andreas. (2016) Efficient edge source approach to the modeling of multi-edge noise barrier tops. Proceedings of the INTER-NOISE 2016. 45th International Congress and Exposition on Noise Control Engineering, August 21 - 24, 2016, Hamburg, Germany.
    Academic chapter/article/Conference paper

2015

  • Asheim, Andreas; Svensson, U. Peter. (2015) Erratum: An integral equation formulation for the diffraction from convex plates and polyhedra (Journal of the Acoustical Society of America (2013) 133:6 (3681-3691)). Journal of the Acoustical Society of America. volum 137 (4).
    Errata

2014

  • Nørsett, Syvert Paul; Asheim, Andreas. (2014) Regarding the absolute stability of Størmer-Cowell methods. Discrete and Continuous Dynamical Systems. Series A. volum 34 (3).
    Academic article

2013

  • Asheim, Andreas; Svensson, U. Peter. (2013) An integral equation formulation for the diffraction from convex plates and polyhedra. Journal of the Acoustical Society of America. volum 133 (6).
    Academic article
  • Nørsett, Syvert Paul; Asheim, Andreas. (2013) REGARDING THE ABSOLUTE STABILITY OF STORMER-COWELL METHODS. Discrete and Continuous Dynamical Systems. Series A. volum 34 (3).
    Academic article
  • Svensson, U. Peter; Asheim, Andreas. (2013) Time-domain formulation of an edge source integral equation. Proceedings of Meetings on Acoustics (POMA). volum 19.
    Academic article

2012

  • Asheim, Andreas; Svensson, U. Peter. (2012) An integral equation formulation for the diffraction from convex plates and polyhedra. 2012.
    Report
  • Svensson, U. Peter; Asheim, Andreas. (2012) An edge-source integral equation for the calculation of scattering (Abstracts). Journal of the Acoustical Society of America. volum 132 (3).
    Abstract

2011

  • Svensson, U. Peter; Asheim, Andreas. (2011) Edge-diffraction based integral equation for the scattering from convex rigid polyhedra. Proceedings of Forum Acusticum 2011.
    Academic chapter/article/Conference paper

2010

  • Asheim, Andreas. (2010) Numerical Methods for Highly Oscillatory Problems. 2010. Doktoravhandlinger ved NTNU (115).
    Doctoral dissertation
  • Asheim, Andreas; Huybrechs, Daan. (2010) Asymptotic Analysis of Numerical Steepest Descent with Path Approximations. Foundations of Computational Mathematics. volum 10 (6).
    Academic article
  • Asheim, Andreas; Huybrechs, Daan. (2010) Local solutions to high-frequency 2D scattering problems. Journal of Computational Physics. volum 229 (14).
    Academic article
  • Asheim, Andreas; Svensson, U. Peter. (2010) Efficient evaluation of edge diffraction integrals using the numerical method of steepest descent. Journal of the Acoustical Society of America. volum 128 (4).
    Academic article
  • Svensson, U. Peter; Asheim, Andreas. (2010) Computing diffraction integrals with the numerical method of steepest descent. Proceedings of the 20th International Congress on Acoustics, ICA 2010.
    Academic chapter/article/Conference paper

2008

  • Asheim, Andreas. (2008) A combined Filon/asymptotic quadrature method for highly oscillatory problems. BIT Numerical Mathematics. volum 48 (3).
    Academic article

Journal publications

  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Bjørngaard, Johan Håkon. (2023) Et trygt fødetilbud er ikke bare et spørsmål om reisetid. Aftenposten (morgenutg. : trykt utg.).
    Feature article
  • Nilsen, Sara Marie; Asheim, Andreas; Bjørngaard, Johan Håkon. (2023) Hvor skal det kuttes?. Dagens medisin.
    Feature article
  • Asheim, Andreas; Nilsen, Sara Marie; Aam, Stina; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Janszky, Imre; Vatten, Lars Johan; Bjørngaard, Johan Håkon. (2022) High ward occupancy, bedspacing, and 60 day mortality for patients with myocardial infarction, stroke, and heart failure. ESC Heart Failure. volum 9 (3).
    Academic article
  • Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) How do busy hospital circumstances affect mortality and readmission within 60 days: A cohort study of 680 000 acute admissions in Norway. Health Policy. volum 126 (8).
    Academic article
  • Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan; Bjørngaard, Johan Håkon. (2021) High volumes of recent surgical admissions, time to surgery, and 60-day mortality. The Bone & Joint Journal. volum 103-B (2).
    Academic article
  • Nilsen, Sara Marie; Bjørngaard, Johan Håkon; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan; Asheim, Andreas. (2020) Hospitals' Discharge Tendency and Risk of Death - An Analysis of 60,000 Norwegian Hip Fracture Patients. Clinical Epidemiology. volum 12.
    Academic article
  • Asheim, Andreas; Bjørnsen, Lars Petter Bache-Wiig; Næss-Pleym, Lars Eide; Uleberg, Oddvar; Dale, Jostein; Nilsen, Sara Marie. (2019) Real-time forecasting of emergency department arrivals using prehospital data. BMC Emergency Medicine. volum 19 (42).
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein; Bjørnsen, Lars Petter Bache-Wiig; Bjørngaard, Johan Håkon. (2019) The effect of emergency department delays on 30-days mortality in Central Norway. European journal of emergency medicine. volum 26.
    Academic article
  • Nilsen, Sara Marie; Asheim, Andreas; Tøndel, Gunhild. (2019) Helsepersonells oppfattelse av kapasitetspress i spesialisthelsetjenesten. Tidsskrift for Den norske legeforening. volum 139 (18).
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Toch-Marquardt, Marlen; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Bjørngaard, Johan Håkon. (2018) Time of admission and mortality after hip fracture – a detailed look at the weekend effect in a nationwide study of 55 211 hip fracture patients in Norway. Acta Orthopaedica. volum 89.
    Academic article
  • Krane-Gartiser, Karoline; Asheim, Andreas; Fasmer, Ole Bernt; Morken, Gunnar; Vaaler, Arne; Scott, Jan. (2018) Actigraphy as an objective intra‑individual marker of activity patterns in acute‑phase bipolar disorder: a case series. International journal of bipolar disorders. volum 6 (8).
    Academic article
  • Asheim, Andreas; Svensson, U. Peter. (2015) Erratum: An integral equation formulation for the diffraction from convex plates and polyhedra (Journal of the Acoustical Society of America (2013) 133:6 (3681-3691)). Journal of the Acoustical Society of America. volum 137 (4).
    Errata
  • Nørsett, Syvert Paul; Asheim, Andreas. (2014) Regarding the absolute stability of Størmer-Cowell methods. Discrete and Continuous Dynamical Systems. Series A. volum 34 (3).
    Academic article
  • Asheim, Andreas; Svensson, U. Peter. (2013) An integral equation formulation for the diffraction from convex plates and polyhedra. Journal of the Acoustical Society of America. volum 133 (6).
    Academic article
  • Nørsett, Syvert Paul; Asheim, Andreas. (2013) REGARDING THE ABSOLUTE STABILITY OF STORMER-COWELL METHODS. Discrete and Continuous Dynamical Systems. Series A. volum 34 (3).
    Academic article
  • Svensson, U. Peter; Asheim, Andreas. (2013) Time-domain formulation of an edge source integral equation. Proceedings of Meetings on Acoustics (POMA). volum 19.
    Academic article
  • Svensson, U. Peter; Asheim, Andreas. (2012) An edge-source integral equation for the calculation of scattering (Abstracts). Journal of the Acoustical Society of America. volum 132 (3).
    Abstract
  • Asheim, Andreas; Huybrechs, Daan. (2010) Asymptotic Analysis of Numerical Steepest Descent with Path Approximations. Foundations of Computational Mathematics. volum 10 (6).
    Academic article
  • Asheim, Andreas; Huybrechs, Daan. (2010) Local solutions to high-frequency 2D scattering problems. Journal of Computational Physics. volum 229 (14).
    Academic article
  • Asheim, Andreas; Svensson, U. Peter. (2010) Efficient evaluation of edge diffraction integrals using the numerical method of steepest descent. Journal of the Acoustical Society of America. volum 128 (4).
    Academic article
  • Asheim, Andreas. (2008) A combined Filon/asymptotic quadrature method for highly oscillatory problems. BIT Numerical Mathematics. volum 48 (3).
    Academic article

Artistic productions

  • Halle, Kari Krizak; Nilsen, Sara Marie; Asheim, Andreas. (2018) Lognormalskjerf. -. 2018.
    Visual Arts

Part of book/report

  • Svensson, U. Peter; Martin Roman, Sara-Regina; Asheim, Andreas. (2016) Efficient edge source approach to the modeling of multi-edge noise barrier tops. Proceedings of the INTER-NOISE 2016. 45th International Congress and Exposition on Noise Control Engineering, August 21 - 24, 2016, Hamburg, Germany.
    Academic chapter/article/Conference paper
  • Svensson, U. Peter; Asheim, Andreas. (2011) Edge-diffraction based integral equation for the scattering from convex rigid polyhedra. Proceedings of Forum Acusticum 2011.
    Academic chapter/article/Conference paper
  • Svensson, U. Peter; Asheim, Andreas. (2010) Computing diffraction integrals with the numerical method of steepest descent. Proceedings of the 20th International Congress on Acoustics, ICA 2010.
    Academic chapter/article/Conference paper

Report

  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth Balstad; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) Effect of Hospital Delivery Volume and Travel Time on Perinatal Mortality and Transport Delivery in Norway. Elsevier. 2022.
    Report
  • Asheim, Andreas; Svensson, U. Peter. (2012) An integral equation formulation for the diffraction from convex plates and polyhedra. 2012.
    Report
  • Asheim, Andreas. (2010) Numerical Methods for Highly Oscillatory Problems. 2010. Doktoravhandlinger ved NTNU (115).
    Doctoral dissertation

Media

2023

  • Lecture
    Asheim, Andreas; Dale, Jostein; Nilsen, Sara Marie; Bjørngaard, Johan Håkon; Pleym, Lars Eide-Næss. (2023) Forsvarlig responstid i ambulansetjenesten. Faglunsj . Helsedirektoratet; 2023-02-08.
  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth Balstad; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2023) Bedre beslutningsgrunnlag fra registre, er det trygt for fødende å være tilknyttet små sykehus. Tirsdagsundervisning, anestesi . Akuttmedisinsk fagavdeling, St. Olavs hospital; Trondheim. 2023-04-25.
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth Balstad; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2023) Effekt av volum og reisetid på fødselsutfall i Norge fra 1999 til 2016. Metodemøte OsloMet . OsloMet; 2023-02-27.
  • Popular scientific lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth Balstad; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2023) Er det trygt å bli født på små sykehus?. Organisering av helsetjenesten: Åpent seminar 11. januar . Registerforskning for helsetjenesten (Regforsk); Trondheim. 2023-01-11.
  • Academic lecture
    Asheim, Andreas; Næss, Lars Eide; Nilsen, Sara Marie; Dale, Jostein; Uleberg, Oddvar; Bjørngaard, Johan Håkon. (2023) Forsvarlig responstid i ambulansetjenesten. Organisering av helsetjenesten . Regforsk - Registerforskning for helsetjenesten; St. Olavs hospital. 2023-01-11.
  • Academic lecture
    Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Aam, Stina; Kimbell, Elizabeth Anna; Bjørngaard, Johan Håkon. (2023) Betydningen av en presset eldreomsorg. Åpent seminar om organisering av helsetjenesten . Regforsk/NTNU/St.olavs hospital; Trondheim. 2023-01-11 - 2023-01-11.
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Bjørngaard, Johan Håkon. (2023) Organisering av helsetjenesten: Åpent seminar 11. januar. Organisering av helsetjenesten: Åpent seminar 11. januar . Registerforskning for helsetjenesten (Regforsk); Trondheim. 2023-01-11 - 2023-01-11.
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth Balstad; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2023) Er det trygt å føde på små sykehus?. Faglunsj . Helsedirektoratet; 2023-03-08 - 2023-03-08.
  • Academic lecture
    Næss-Pleym, Lars Eide; Asheim, Andreas. (2023) Hva har det å si at ambulansen er opptatt?. Organisering av helsetjenesten . Regforsk - Registerforskning for helsetjenesten; St. Olavs hospital. 2023-01-11 - 2023-01-11.

2022

  • Academic lecture
    Andvig, Jørgen Garberg; Johnsen, Lars Gunnar; Bjørnelv, Gudrun Maria Waaler; Bjørngaard, Johan Håkon; Nilsen, Sara Marie; Asheim, Andreas. (2022) Frakturepidemiologi i Norge 2009-2016. Høstmøtet . Norsk ortopedisk forening; Oslo. 2022-10-26 - 2022-10-28.
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth Balstad; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) Effekt av volum og reisetid på fødselsutfall i Norge fra 1999 til 2016. Fagledernettverksmøte . Fagledernettverk for fødselstjenester i Midt-Norge; Teams. 2022-12-08.
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) Effects of hospital delivery volume and travel time on birth outcomes in Norway from 2016 to 2022. Health Economics Seminar . UiO + NTNU; ISM. 2022-11-02.
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) Effekt av volum og reisetid på fødselsutfall i Norge fra 1999 til 2016. Helsetjenesteforskningskonferansen 2022 . Helse Nord RHF; Tromsø. 2022-10-19.
  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari; Magnussen, Elisabeth; Carlsen, Fredrik; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) Effekt av volum og reisetid på fødselsutfall i Norge fra 1999 til 2016. Foredrag for fagavdelingen ved Helse Midt-Norge . Fagavdelingen ved Helse Midt-Norge; HMN Stjørdal. 2022-08-27.
  • Academic lecture
    Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Aam, Stina; Kimbell, Elizabeth Anna; Bjørngaard, Johan Håkon. (2022) Municipal capacity and patient mortality: exploring causal inference on municipal level. European Health Economics Association ; 2022-08-05 - 2022-08-08.
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) How do busy hospital circumstances affect mortality and readmission within 60 days: a cohort study of 680 000 acute admissions in Norway. Helsetjenesteforskningskonferansen 2022 . Helse Nord RHF; Tromsø. 2022-10-19.
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina; Davies, Neil Martin; Bjørngaard, Johan Håkon. (2022) Hvordan påvirker press på sykehuset dødelighet og reinnleggelser for eldre pasienter. Høstmøte for primærhelsetjenesten . NTNU, Institutt for samfunnsmedisin og sykepleie; Trondheim. 2022-10-05.
  • Popular scientific lecture
    Vinjerui, Kristin Hestmann; Svedahl, Ellen Rabben; Nilsen, Sara Marie; Kaspersen, Silje Lill; Hosar, Rannei; Vie, Gunnhild Åberge; Bjørnelv, Gudrun Maria Waaler; Pape, Kristine; Asheim, Andreas. (2022) Forskning viser at ...., men er det sant?. Researchers Night 2022 . NTNU; NTNU Realfagsbygget. 2022-09-30.

2021

  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie. (2021) Natural Experiments in Health Services Research - Regforsk. Digitalization in healthcare . Institutt for industriell økonomi og tek.ledelse NTNU/Stolav; Trondheim. 2021-11-04 - 2021-11-04.
  • Lecture
    Bjørngaard, Johan Håkon; Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan. (2021) Tid til operasjon og 60-dagers mortalitet i perioder med mange samtidige akuttkirurgiske pasienter- En analyse av 60 000 hoftebruddpasienter. Regionalt fagledernettverk for ortopedi ; Zoom. 2021-03-19 - 2021-03-19.
  • Lecture
    Bjørngaard, Johan Håkon; Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan. (2021) Tid til operasjon og 60-dagers mortalitet i perioder med mange samtidige akuttkirurgiske pasienter- En analyse av 60 000 hoftebruddpasienter. Seminar HUNT . Helseundersøkelsen i Nord-Trøndelag; Zoom. 2021-02-12 - 2021-02-12.
  • Interview
    Brandslet, Steinar; Bjørngaard, Johan Håkon; Johnsen, Lars Gunnar; Asheim, Andreas; Nilsen, Sara Marie. (2021) Flere dør av hoftebrudd når kirurgen har det travelt. Gemini [Internett]. 2021-02-08.
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan; Bjørngaard, Johan Håkon. (2021) Hoftebrudd i travle tider. Fredagsforelesning . St. Olavs hospital HF; Trondheim. 2021-11-05 - 2021-11-05.
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan; Bjørngaard, Johan Håkon. (2021) Tid til akutt kirurgi - er det no viktig da?. Internundervisning . St. Olavs hospital, prehospital forskningsgruppe; Zoom. 2021-04-27 - 2021-04-27.
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars; Bjørngaard, Johan Håkon. (2021) Tid til operasjon og 60-dagers mortalitet i perioder med mange samtidige akuttkirurgiske pasienter- En analyse av 60 000 hoftebruddpasienter. Internundervisning . Ahus; Norsk helsenett. 2021-02-03 - 2021-02-03.

2020

  • Academic lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars; Bjørngaard, Johan Håkon. (2020) Utsatte operasjoner og 60-dagers mortalitet blant hoftebruddspasienter i perioder med mange samtidige kirurgiske pasienter. Regforsk - Faglunsj . Regforskmiljøet; NTNU. 2020-09-23.

2019

  • Academic lecture
    Asheim, Andreas; Bjørnsen, Lars Petter Bache-Wiig; Uleberg, Oddvar; Næss-Pleym, Lars E.; Dale, Jostein; Nilsen, Sara Marie. (2019) Sanntidsprediksjon av pasientankomster med data fra AMK. Helsetjenesteforskningskonferansen 2019 . SINTEF med Nasjonalt nettverk for helsetjenesteforskning; Trondheim. 2019-03-12 - 2019-03-13.
  • Academic lecture
    Bjørngaard, Johan Håkon; Nilsen, Sara Marie; Asheim, Andreas; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Vatten, Lars Johan; Johnsen, Lars Gunnar. (2019) Fremskyndet utskrivning etter hoftebrudd og risiko for død. Helsetjenesteforskningskonferansen 2019 . SINTEF med Nasjonalt nettverk for helsetjenesteforskning; Trondheim. 2019-03-12 - 2019-03-13.

2018

  • Lecture
    Asheim, Andreas; Bjørnsen, Lars Petter Bache-Wiig; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein; Nilsen, Sara Marie. (2018) Forecasting time-distribution of emergency department arrivals. Fagmøte . Regionalt senter for helsetjenesteutvikling, St. Olavs; Trondheim. 2018-02-16 - 2018-02-16.
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Dale, Jostein; Bjørnsen, Lars Petter Bache-Wiig; Uleberg, Oddvar; Næss-Pleym, Lars E.; Bjørngaard, Johan Håkon. (2018) Emergency department delays and risk of death within 30 days - An instrumental variable analysis. 25th NOFE Conference . Norsk forening for epidemiologi; Trondheim. 2018-11-14 - 2018-11-15.
  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Bjørnsen, Lars Petter Bache-Wiig; Bjørngaard, Johan Håkon. (2018) Akuttmottaket – er forlenget oppholdstid et problem for pasientsikkerheten?. Fagmøte for ledelsen . Regionalt senter for helsetjenesteutvikling, St. Olavs; Trondheim. 2018-09-04 - 2018-09-04.
  • Popular scientific lecture
    Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein; Bjørnsen, Lars Petter Bache-Wiig; Bjørngaard, Johan Håkon. (2018) Akuttmottaket – er forlenget oppholdstid et problem for pasientsikkerheten?. Fagmøte . Helse Midt-Norge RHF; Stjørdal. 2018-09-25 - 2018-09-25.
  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein; Bjørnsen, Lars Petter Bache-Wiig; Bjørngaard, Johan Håkon. (2018) Prolonged length of emergency department stay and risk of death within 30 days – an instrumental variable analysis. Fagmøte . Regionalt senter for helsetjenesteutvikling, St. Olavs; Trondheim. 2018-06-15 - 2018-06-15.
  • Popular scientific lecture
    Bjørngaard, Johan Håkon; Nilsen, Sara Marie; Asheim, Andreas; Kaspersen, Silje Lill; Anthun, Kjartan Sarheim; Skarshaug, Lena Janita; Svedahl, Ellen Rabben; Pape, Kristine; Toch-Marquardt, Marlen; Husøy, Sigrid Johanne; Johnsen, Lars Gunnar; Uleberg, Oddvar; Bjørnsen, Lars Petter Bache-Wiig; Dale, Jostein; Næss-Pleym, Lars E.. (2018) Sommerseminar om kapasitetspress i helsetjenesten. Seminar med brukerorganisasjoner og klinikere ; 2018-06-13 - 2018-06-13.

2017

  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Toch-Marquardt, Marlen; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Bjørngaard, Johan Håkon. (2017) Time of admission and discharge for hip fracture patients. The association with hospital length of stay and mortality. Fagmøte . Regionalt senter for helsetjenesteutvikling, St. Olavs; Trondheim. 2017-11-03 - 2017-11-03.
  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas; Martin Roman, Sara-Regina. (2017) Sound propagation through an aperture with edge diffraction modeling. 173rd Meeting of the Acoustical Society of America and the 8th Forum Acusticum, Boston ; 2017-06-25 - 2017-06-29.

2013

  • Academic lecture
    Asheim, Andreas; Svensson, U. Peter. (2013) An edge source integral equation for the scattering from a flat plate. The 11th International Conference on Mathematical and Numerical Aspects of Waves ; Gammarth. 2013-06-03 - 2013-06-07.
  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas. (2013) Time-domain formulation of an edge source integral equation. 21st International Congress on Acoustics . ICA; Montreal. 2013-06-02 - 2013-06-07.

2012

  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas. (2012) An edge-source integral equation for the calculation of scattering (Abstracts). 164th Meeting of the Acoustical Society of America ; Kansas City, MO. 2012-10-22 - 2012-10-26.

2011

  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas. (2011) Edge-diffraction based integral equation for the scattering from convex rigid polyhedra. Forum Acusticum 2011 ; Aalborg. 2011-06-27 - 2011-07-01.

2010

  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas. (2010) Computing diffraction integrals with the numerical method of steepest descent. The 20th International Congress on Acoustics ; Sydney. 2010-08-23 - 2010-08-27.

2009

  • Academic lecture
    Asheim, Andreas. (2009) Combining asymptotic expansions and oscillatory quadrature. SciCade 2009 ; Beijing. 2009-05-25 - 2009-05-30.
  • Academic lecture
    Asheim, Andreas. (2009) Høyoscillatorisk kvadratur. KoMiN 2009 (Konferanse for Norske matematikkstudenter) . FoMiN (Forening for Norske matematikkstudenter); NTNU, Trondheim. 2009-10-30 - 2009-11-01.
  • Academic lecture
    Asheim, Andreas; Daan, Huybrechs. (2009) The numerical method of steepest descent with approximated paths. ICOSAHOM 2009 ; Trondheim. 2009-02-22 - 2009-05-26.
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