Congestive heart failure, or simply heart failure, is progressive and should not be confused with a heart attack, which involves sudden tissue death of the heart muscle. Although heart failure may occur suddenly in some cases, gradual loss of function is more common.
I believe SI it stands for: Sacroiliac Joint Injections Sacroiliac (SI) joint injections are commonly used to determine what is causing back pain. SI joint injections are primarily diagnostic injections, meaning that they help your doctor determine the cause of your back pain but may not provide you with any long-term relief from the pain.
Central Clinical Laboratory. The Central Clinical Laboratory (CCL) is a highly automated, high-volume core laboratory which provides testing for Mayo Clinic Hospital, Methodist Campus and Mayo Clinic Hospital, Saint Marys Campus, Mayo Clinic outpatients, Mayo Medical Laboratories, and Clinical Trials clients.hey provide services to the inpatients of Mayo Clinic Hospital, Saint Marys Campus and Mayo Clinic Hospital, Methodist Campus, outpatients from Mayo's primary and specialty care practices, pediatrics patients, nursing home patients, and Mayo employees.