A description of all BMED courses can be found here: http://catalog.gatech.edu/coursesaz/bmed/

Nine hours of engineering depth elective hours are required. Up to six hours of research for credit (BMED 2699/4699) will be allowed to count as BMED depth elective credit, see “Research” for additional information. Depth elective courses may also be selected from those that include a significant engineering component or from the list of approved courses other majors.