97 urn:lsid:arphahub.com:pub:B5033382-9D21-53CE-B630-B4E3A1146D51 Bulgarian Cardiology Bulgarian Cardiology 1310-7488 2683-1015 Bulgarian Society of Cardiology 10.3897/bgcardio.27.e79965 79965 Editorial Hemodynamics (хемодинамика) Editorial Vasilev Dobrin {"bg": ""} dobrinv@gmail.com 1 UMHAT Alexandrovska, Sofia, Bulgaria UMHAT Alexandrovska Sofia Bulgaria

Corresponding author: Dobrin {"bg": ""} Vasilev (dobrinv@gmail.com).

Academic editor: Nina Gotcheva

 2021 31 12 2021 27 4 5 6 F8BDB606-CE18-5550-A3FA-7FBFDB02ED3F 30 12 2021 30 12 2021 Dobrin Vasilev This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.