Booth, Kathryn A., and Thomas E. O’Brien. Electrocardiography for Healthcare Professionals. New York:
Woods, Stephanie L. and Karen S. Ehrat. The Art of EKG Interpretation: a Self-Instructional Text.
Dubuque, Iowa: Kendall Hunt Pub Co.
According to (Cardiovascular Credentialing International) CCI official website, A credential is active
for 9–12 months (First time) and 3 Years (2nd time and onwards) after passing a CCI exam. Need more
information? Click Below