View up to date information on the Coronavirus Disease 2019 (COVID-19) from the Illinois Department of Public Health
You can also visit the Centers for Disease Control and Prevention website or our HSHS COVID-19 page.

Your cardiologist's office will schedule your vascular ultrasound or echocardiogram at the Prairie Diagnostic Center at HSHS St. John's Hospital (PDC). Someone from St. John's pre-registration department will call to register you before your scheduled procedure date. 

If you must cancel your appointment, please notify your doctor's office at least 24 hours in advance.