S. Leontyeva Danylo Halytsky Lviv National Medical University Introduction. The prevalence of Raynaud’s syndrome in different countries ranges from 2.1 – to 16.8 %. Secondary Raynaud’s syndrome (SRS) occurs in case of more than 70 diseases. However, there is no consensus about the pathogenic mechanisms of its origin, and the modern diagnosis algorithms, without which Read More …