One or more of the following required:Registered Cardiographic Tech specializing in Vascular Interpretation credentialed from the Cardiovascular Credentialing International (CCI) obtained prior to hire date or job transfer date. Registered Sonography Tech specializing in Vascular Sonography credentialed from the American Registry for Diagnostic Medical Sonography (ARDMS) obtained within 6 Months (180 days) of hire date or job transfer date.