Blar i NTNU Open på forfatter "Mjølstad, Ole Christian"
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Automatic measurements of mitral annular plane systolic excursion and velocities to detect left ventricular dysfunction
Grue, Jahn Frederik; Storve, Sigurd; Dalen, Håvard; Salvesen, Øyvind; Mjølstad, Ole Christian; Samstad, Stein; Torp, Hans; Haugen, Bjørn Olav (Journal article; Peer reviewed, 2018)The purpose of the study described here was to evaluate an automatic algorithm for detection of left ventricular dysfunction, based on measurements of mitral annular motion indices from color tissue Doppler apical four-chamber ... -
Automatic quantification of left ventricular function by medical students using ultrasound
Grue, Jahn Frederik; Storve, Sigurd; Dalen, Håvard; Mjølstad, Ole Christian; Samstad, Stein; Eriksen-Volnes, Torfinn; Torp, Hans; Haugen, Bjørn Olav (Peer reviewed; Journal article, 2020)Background Automatic analyses of echocardiograms may support inexperienced users in quantifying left ventricular (LV) function. We have developed an algorithm for fully automatic measurements of mitral annular plane ... -
Causes of in-hospital cardiac arrest - Incidences and rate of recognition.
Bergum, Daniel; Nordseth, Trond; Mjølstad, Ole Christian; Skogvoll, Eirik; Haugen, Bjørn Olav (Journal article; Peer reviewed, 2014-02)Background and methods: Do emergency teams (ETs) consider the underlying causes of in-hospital cardiac arrest (IHCA) during advanced life support (ALS)? In a 4.5-year prospective observational study, an aetiology study ... -
Feasibility and accuracy of point-of-care pocket-size ultrasonography performed by medical students
Andersen, Garrett Newton; Viset, Annja Torlaug; Mjølstad, Ole Christian; Salvesen, Øyvind; Dalen, Håvard; Haugen, Bjørn Olav (Journal article; Peer reviewed, 2014)Background Point-of-care ultrasound performed by clinicians is a useful supplement in the treatment and assessment of patients. We aimed to investigate whether medical students with minimal training were able to successfully ... -
Implantasjon av hjertestartere ved St. Olavs hospital 2006–15
Nyman, Fred Mathias; Molaug, Ina Charlotte; Næss, Anne Marte; Espeland, Torvald; Loennechen, Jan Pål; Mjølstad, Ole Christian (Peer reviewed; Journal article, 2020)BAKGRUNN Implantasjon av hjertestarter (implantable cardioverter defibrillator, ICD) er etablert behandling hos pasienter med høy risiko for plutselig hjertedød. Studiens formål var å kartlegge pasientkarakteristika, ... -
Limited echocardiography and focused hand-held ultrasound by non-experts with decisionsupport for diagnosis and follow-up of heart failure patients.
Hjorth-Hansen, Anna Katarina (Doctoral theses at NTNU;2023:288, Doctoral thesis, 2023)This thesis focused on the use of limited echocardiography and focused hand-held ultrasound examinations performed by non-experts to improve the diagnostics and follow-up of patients with heart failure. Increasing age in ... -
Pocket-size ultrasound, a new diagnostic tool in clinical practice
Mjølstad, Ole Christian (Doktoravhandlinger ved NTNU, 1503-8181; 2013:352, Doctoral thesis, 2013) -
Real-time automatic quantification of left ventricular function by hand-held ultrasound devices in patients with suspected heart failure: a feasibility study of a diagnostic test with data from general practitioners, nurses and cardiologists
Hjorth-Hansen, Anna; Magelssen, Malgorzata Isabela; Andersen, Garrett Newton; Graven, Torbjørn; Kleinau, Jens Olaf; Landstad, Bodil; Løvstakken, Lasse; Skjetne, Kyrre; Mjølstad, Ole Christian; Dalen, Håvard (Peer reviewed; Journal article, 2022)Objectives To evaluate the feasibility and reliability of hand-held ultrasound (HUD) examinations with real-time automatic decision-making software for ejection fraction (autoEF) and mitral annular plane systolic excursion ... -
Recurrent malignant ventricular arrhythmias and paresthesia—a mystery revealed as aconitine poisoning: a case report
Mjølstad, Ole Christian; Radtke, Maria Anita; Brodtkorb, Eylert; Edvardsen, Frode; Wenche Rødseth, Brede; Aamo, Trond Oskar; Jacobsen, Dag; Stokke, Mathis Korseberg; Helland, Arne (Peer reviewed; Journal article, 2023)Background: We report a case of a clinical challenge lasting for 12 months, with severe and unresolved clinical features involving several medical disciplines. Case presentation: A 53-year-old Caucasian male, who had been ... -
User experience and image quality influence on performance of automated real-time quantification of left ventricular function by hand-held ultrasound devices: A diagnostic accuracy study with data from general practitioners, nurses, and cardiologists
Hjorth-Hansen, Anna Katarina; Magelssen, Malgorzata Isabela; Andersen, Garrett Newton; Graven, Torbjørn; Kleinau, Jens Olaf; Landstad, Bodil; Løvstakken, Lasse; Skjetne, Kyrre; Mjølstad, Ole Christian; Dalen, Håvard (Journal article; Peer reviewed, 2022)