Impella CP with Smart Assist (Circulatory Support System)
DeviceSubjects will receive the Impella® with the Impella® Hemodynamics Platform prior to High risk percutaneous coronary intervention (HRPCI). Device escalation or early termination of the study will be allowed for subjects as deemed necessary by the treating physician. Subjects will be consented for follow-up through discharge from the index HRPCI admission.