Izabela Janus-Ziółkowska received her master's degree in veterinary medicine from the Wrocław University of Environmental and Life Sciences in 2012. In 2017, she defended her doctoral thesis on the topic of pathologic and immunohistochemical patterns in the left atrium in canine dilated cardiomyopathy (DCM) and myxomatous mitral valve disease (MMVD). Since 2018, she has been working as an assistant professor at the Department of Pathology, and since 2021, she has been the Head of the Unit of Veterinary Cardiopathology at the same University. Since obtaining her master's, she has also been a clinical veterinarian interested in internal medicine and diagnostic imaging for dogs and cats. Her main scientific and research interests include cardiac pathologies in dogs, cats, and exotic animals with a special focus on cardiomyopathies.Keywords: histopathology, immunohistochemistry, veterinary medicine, pathology, heart, cardiac pathology, cardiomyopathy