Formal:
* Medical Examiner: This is the most common term in the United States for a physician who investigates deaths, conducts autopsies, and determines the cause of death. They are often called "coroners" in some areas.
* Physician: Any licensed doctor can legally pronounce someone dead, but this is usually done by an emergency room physician or a primary care physician.
* Paramedic: Paramedics are trained to assess vital signs and may be the first responders to determine if someone is deceased.
Informal:
* Doctor: This is a general term that can refer to any physician, including those who pronounce death.
* First Responder: This term encompasses various emergency personnel, including paramedics and police officers, who might be the first to determine death.
Important to Note:
* The specific process and requirements for pronouncing someone dead vary depending on local laws and regulations.
* In some countries, there might be specific legal requirements for who can pronounce death, such as a judge or a designated official.
It's crucial to remember that pronouncing someone dead is a serious responsibility that requires specialized training and legal authority.