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Some of the major areas where you can work after doing a Bsc in Cardiac technology are
hospitals, clinics, rehabilitation centres, nursing care centres,Students can get job opportunities suitable for their experience and knowledge in the field. Other than that you can also  pursue higher studies such as M.Sc , Master of Surgery or MD in the same field.
For more information visit the link given below
https://www.careers360.com/courses/bsc-cardiac-technology