MSc, LicPhil, MPE, Specialist Medical Physicist Heli Larjava - UTU Research Portal

Heli Larjava
MSc, LicPhil, MPE, Specialist Medical Physicist

- Doctoral Researcher,
Institute of Biomedicine (Faculty of Medicine)

helglo@utu.fi

X-ray; medical imaging; radiography; computed tomography; radiation protection

Specialist Medical Physicist and Radiation Protection Expert with 15+ years background in Hospital & Health Care Environment. Skilled in Medical Physics, Radiation Safety, X-ray, Angiography, and Dosimetry. 8+ years experience as Radiation Safety Officer (RSO) in Medical Imaging.

Strong healthcare services professional with a Licentiate focused in Physics and especially Image Quality and Radiation Safety of Radiography of Premature Babies and Infants.

I am one of the teachers in Physical basis of medical imaging -course.

Radiation exposure in vesicoureteral reflux diagnostics: a comparative study of direct radionuclide cystography and voiding cystourethrogram (2025)
- Nuclear Medicine Communications
Viljamaa, Hanna-Reeta; Ripatti, Liisi L.M.; Larjava, Heli R.S.; Noponen, Tommi E.J.; Saikkonen, Aleksi; Rautava, Päivi T.K.; Koivisto, Mari A.; Pakkasjärvi, Niklas A.
Suositus potilaan suojaamisesta röntgentutkimuksissa (2024) Kaartinen, Siru; Kotiaho, Antti; Larjava, Heli; Lepola, Pasi; Peltonen, Juha; Perankoski, Merja; Sierpowska, Joanna; Suutari, Juha
The out-of-plane contact shield and mA-modulation – the effect on fetal absorbed dose (2024)
- Radiation Protection Dosimetry
Larjava, Heli R.S.; Eneh, Chibuzor T.M.; Saikkonen, Aleksi; Parkkola, Riitta K.
To shield or not to shield: shielding may have unintended effects on patient dose in CT (2023)
- European Radiology
Larjava Heli, Eneh Chibuzor, Niiniviita Hannele
CONTEMPORARY RADIATION DOSES IN INTERVENTIONAL CARDIOLOGY: A NATIONWIDE STUDY OF PATIENT SKIN DOSES IN FINLAND (2020)
- Radiation Protection Dosimetry
Järvinen Jukka, Sierpowska Joanna, Siiskonen Teemu, Husso Minna, Järvinen Hannu, Kiviniemi Tuomas, Rissanen Tuomas, Lindholm Carita, Matikka Hanna, Larjava Heli, Mäkelä Timo, Strengell Satu, Eskola Markku, Parviainen Teuvo, Hallinen Elina, Pirinen Markku, Kivelä Antti, Teräs Mika
Potilaiden säteilysuojaus hammasröntgenkuvauksissa - vanhentunut käytäntö? (2020)
- Suomen Hammaslääkärilehti
Kaasalainen T, Kotiaho A, Larjava H, Matikka H, Niskanen E, Ruohonen J
CONTEMPORARY RADIATION DOSES IN INTERVENTIONAL CARDIOLOGY: A NATIONWIDE STUDY OF PATIENT DOSES IN FINLAND (2019)
- Radiation Protection Dosimetry
Järvinen Jukka, Sierpowska Joanna, Siiskonen Teemu, Järvinen Hannu, Kiviniemi Tuomas, Rissanen Tuomas, Matikka Hanna, Niskanen Eini, Hurme Saija, Larjava Heli, Mäkelä Timo, Strengell Satu, Eskola Markku, Parviainen Teemu, Hallinen Elina, Pirinen Markku, Kivelä Antti, Teräs Mika
INTRAOPERATIVE CHOLANGIOGRAPHY DURING CHOLECYSTECTOMY RESULTS IN LOW EXPOSURE TO RADIATION: A RETROSPECTIVE COHORT STUDY (2019)
- Radiation Protection Dosimetry
Mattila Anne, Larjava Heli, Helminen Olli, Kairaluoma Matti
Tarvitaanko säteilysuojaa vielä? (2016)
- Duodecim
Larjava Heli, Aarnio Jussi
Total ankle arthroplasty: optimizing computed tomography imaging protocol (2013)
- Skeletal Radiology
Kohonen Ia, Koivu Helka, Vahlberg Tero, Larjava Heli, Mattila Kimmo