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Cryonics: Difference between revisions
→Put-down cycle: IIs are the only ones we have confirmation for
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The "put-down" cycle takes [[seven]] minutes.<ref name="encyc1"/> During the first four minutes anesthetic gas causes the subject to become drowsy. Then another gas reacts to form a [[bronchial surfactant]] when inhaled, coating the passages of the lungs to help ensure a smooth wake cycle. | The "put-down" cycle takes [[seven]] minutes.<ref name="encyc1"/> During the first four minutes anesthetic gas causes the subject to become drowsy. Then another gas reacts to form a [[bronchial surfactant]] when inhaled, coating the passages of the lungs to help ensure a smooth wake cycle. | ||
[[Cytoprethaline]], a drug used by the UNSC during cryo-sleep, prevents damage to the occupants' cell membranes caused by ice crystal formation. It is recommended that a doctor administer the drug, but most of the time the shot is administered by a medic or by a pre-measured self-injector.<ref name="encyc1"/> Some humans, such as [[Thomas Lasky]], exhibit a rare allergic reaction to cytoprethaline. Due to the frequent use of cryosleep in the UNSC during interstellar voyages, severe instances of such condition are grounds for a medical discharge from UNSC service.<ref>[https://www.halowaypoint.com/en-us/universe/tech/cytoprethaline '''Halo Waypoint''': ''Cytoprethaline'']</ref> | [[Cytoprethaline]], a drug used by the UNSC during cryo-sleep, prevents damage to the occupants' cell membranes caused by ice crystal formation. It is recommended that a doctor administer the drug, but most of the time the shot is administered by a medic or by a pre-measured self-injector.<ref name="encyc1"/> Some humans, such as [[Thomas Lasky]], exhibit a rare allergic reaction to cytoprethaline. Due to the frequent use of cryosleep in the UNSC during interstellar voyages, severe instances of such condition are grounds for a medical discharge from UNSC service.<ref>[https://www.halowaypoint.com/en-us/universe/tech/cytoprethaline '''Halo Waypoint''': ''Cytoprethaline'']</ref> Spartan-IIs generally entered cryosleep without receiving cytoprethaline, but due to their augmentations, the Spartans likely did not need to receive such medication.<ref>'''Halo 3''', Campaign level '''[[Halo (Halo 3 level)]]'''</ref> | ||
Once the subject is prepped, the chamber automatically proceeds to the freezing stage. The unit begins to rapidly cool the body and administers an electric current that precisely counters the normal wave across the heart muscle, stopping its rhythm. The unit reaches the optimal storage temperature in three minutes.<ref name="encyc1"/> | Once the subject is prepped, the chamber automatically proceeds to the freezing stage. The unit begins to rapidly cool the body and administers an electric current that precisely counters the normal wave across the heart muscle, stopping its rhythm. The unit reaches the optimal storage temperature in three minutes.<ref name="encyc1"/> | ||