MarkGlass is a Cardiovascular technologist . He is working at Holly Tree Inn . He has been working for almost 5 years . . He has knowledge about different languages of computers . The Cardiovascular Technologist will conduct tests on pulmonary or cardiovascular systems of patients for diagnostic purposes. The Cardiovascular Technologist may also conduct or assist in electrocardiograms, cardiac catheterizations, pulmonary functions, lung capacity, and similar tests.