Final answer:
The time limit for physicians to rescue a person after an overdose before it becomes fatal can vary depending on the specific situation. Immediate medical attention and interventions such as naloxone administration can be life-saving.
Step-by-step explanation:
After an overdose, the time limit for physicians to rescue the person before the overdose becomes fatal can vary depending on the specific situation and the substance involved. It is important to seek immediate medical attention in case of an overdose to increase the chances of survival.
For example, in the case of opioid overdose, which can cause breathing difficulties, the administration of naloxone (Narcan) can help reverse the effects and keep the person breathing until emergency medical treatment is provided. This intervention can be life-saving.
However, it is crucial to note that the longer the brain goes without oxygen, the higher the risk of brain cell death. Brain death can occur after approximately six minutes without oxygen, although exceptions may exist in certain circumstances such as very cold water immersion. Therefore, prompt medical intervention is essential in overdose situations.