Sonja Tjostheim, DVM, DACVIM (Cardiology)

Department of Medical Sciences

Sonja Tjostheim, DVM, DACVIM (Cardiology)

Titles and Education

    1. Diplomate ACVIM (Cardiology), 2017
    2. Cardiology residency, University of Wisconsin-School of Veterinary Medicine, 2014-2017
    3. Small animal medicine and surgery internship, VCA Canada CARE Centre, 2012-2013
    4. DVM, Western College of Veterinary Medicine, University of Saskatchewan, 2012
    5. BS, University of Toronto, 2005


Clinical Assistant Professor of Cardiology

Recent Publications

    1. Tjostheim SS, Kellihan HB, Grint KA, Stepien RL. Effect of sildenafil and pimobendan on intracardiac heartworm infections in four dogs. J Vet Cardiol 2019;23:96-103.
    2. Nadolny KE, Kellihan HB, Scansen BA, Tjostheim SS, Grint KA, Forrest LJ, Stepien RL. Cor triatriatum dexter in 17 dogs. J Vet Cardiol 2019;23:129-141.
    3. Martel-Arquette A, Tjostheim SS, Miller J, Carlson J, Mans C. Aortocavitary fistula secondary to vegetative endocarditis in a rabbit. J Vet Cardiol 2019;21:49-56.
    4. Tjostheim SS, Stepien RL, Markovic LE, Stein TJ. Effects of toceranib phosphate on systolic blood pressure and proteinuria in dogs. J Vet Intern Med 2016;30:951-957.
    5. Tjostheim SS, Kellihan HB, Csomos RA, McAnulty J, Steinberg H. Vascular hamartoma in the right ventricle of a dog: Diagnosis and treatment. J Vet Cardiol 2015;17:321-328.