液体窒素
Patients are transported as quickly as possible to Alcor headquarters in Scottsdale, where they undergo final preparations in Alcor's cardiopulmonary bypass lab. In the Patient Care Bay they are monitored by computer sensors while kept in liquid nitrogen in dewars. Liquid nitrogen is refilled on a weekly basis. Riverside County, California deputy coroner Dan Cupido said that Alcor had better equipment than some medical facilities.