 Westport, CT, April 27, 2021 GLOBE NEWSWIRE -- BioSig Technologies, Inc. NASDAQ: BSGM BioSig or the Company, a medical technology company commercializing an innovative biomedical signal processing platform designed to improve signal fidelity and uncover the full range of ECG and intra-cardiac signals, today announced that the physicians at Mayo Clinics campus in Phoenix, Arizona have started using the Companys PURE EPtm System in the patient cases treating cardiac arrhythmias. 