The longest recorded time a person has been clinically dead and later revived is 17 hours.
A Remarkable Case of Revival
This exceptional case involved a patient, whose name was not disclosed in the provided reference, who experienced cardiac arrest resulting in three instances of clinical death, with complete absence of brain activity. Medical professionals employed various life-saving measures, including induced hypothermia, to reduce body temperature and potentially stimulate brain function. Despite the severity of the situation and the extended period without vital signs (17 hours), the patient was successfully revived.
The reference highlights the extraordinary nature of this survival. It showcases the remarkable advancements in medical technology and resuscitation techniques that allow for the revival of patients even after prolonged periods of clinical death. While this case represents an exceptional outlier, it underscores the potential for successful resuscitation even in seemingly hopeless situations.