Cardiovascular Credentialing International
Phone: 800.326.0268
Fax: 919.787.4916
http://www.cci-online.org
Select "Applicants" from the top menu bar. Then, select either "Examinations Offered" or browse website.

Stanford Medical Youth Science Program
E-mail: youth.science@stanford.edu
Phone: 650.723.4000
http://smysp.stanford.edu/
Select "Students" from the menu on the left. Then, select "Health Career Profiles." Under "Profiles" click on "Electrocardiogram (EKG) Technician."