 ENGLEWOOD, Colo., April 19, 2021 PRNewswire -- Zynex, Inc. Nasdaq: ZYXI, an innovative medical technology company specializing in the manufacture and sale of non-invasive medical devices for pain management, stroke rehabilitation, cardiac monitoring and neurological diagnostics, announced today that it will host the Companys 2021 first quarter earnings investor webcast on Thursday, April 29, 2021 at 2:15 p.m. 