Des Moines, Iowa, United States, Kearney, Nebraska, United States, Lincoln, Nebraska, United States, Omaha, Nebraska, United States, Sioux Falls, South Dakota, United States. Direct patient management experience in one of the following scenarios: a cardiothoracic ICU caring for post-op tMCS (excluding IABP) or durable MCS (does not include experience as an Abiomed field clinical), or direct experience assisting in the CVOR required.