Joanna Wojczal MD PhD Specialist in Neurology and Neurosonology Graduated of Medical Academy in Lublin, Assistant Professor and Senior Lecturer in Dept. Of Neurology Medical University of Lublin, Poland from 1997 Vice Head of Stroke Unit in Dept. of Neurology from 2002, from 1995 performs thrombolysis and from 2016 thrombectomy Head of Neurosonological Lab from 1998 r. , performs full range of neurosonological examinations of extra- and intracranial cerebral vessels and brain parenchyma, the author of neurosonological manuals and coauthor of neurosonological standards in Poland, and publications on cerebrovascular diseases. Neurological Consultant to carotid stenting and endarterectomy.