Elas.In Educational Services provides the best BLS and ACLS training. Basic Life Support and Advanced Cardiac Life Support are American Heart Association (AHA) approved certifications for healthcare practitioners. This certification is a requirement to be considered to be proficient in their field of service. BLS is the foundation and this certification is the basis on which the knowledge is built. It teaches the basics of saving a person’s life outside a hospital whereas ACLS is a more advanced certification.