 NASHVILLE, Tenn.--BUSINESS WIRE--HealthStream, Inc. Nasdaq: HSTM, a leading provider of workforce and provider solutions for the healthcare industry, announced today results for the second quarter ended June 30, 2021. Revenues of 64.8 million in the second quarter of 2021, up 7 from 60.6 million in the second quarter of 2020, more than offsetting a 9.7 million decline in legacy resuscitation revenues. Operating income of 3.4 million in the second quarter of 2021, down 20 from 4.3 mil 