Introduction. Last year our HCA Healthcare colleagues invested over 156,000 hours volunteering in our communities. As a(an) Cardiac Device Technician with MSO TX Cardiac Arrhythmia MCE you can be a part of an organization that is devoted to giving back. Benefits. MSO TX Cardiac Arrhythmia MCE, offers a total rewards package that supports the health, life, career and retirement of our colleagues. The available plans and programs include. Comprehen...