SUD - SUD

Sudden death is when a person who was previously healthy suddenly dies. It is also called sudden death or sudden death. Depending on the cause of death, sudden death can be divided into exogenous sudden death and endogenous sudden death, but generally speaking, sudden death refers to endogenous sudden death.
[Exogenous sudden death]
Sudden death due to causes acting from outside the body. Examples include sudden death from suffocation such as strangulation or choking, sudden death from blood loss caused by damage to large blood vessels or organs by a blade resulting in massive bleeding to death, sudden death from brain damage caused by a crushed head in a traffic accident or disaster, sudden death from burns or electric shock, and sudden death from poisoning due to drugs such as hypnotics or pesticides.

*Some of the terminology that mentions "SUD" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…元気であった人が突然に死亡することで，突然死あるいは頓死ともいう。急死はその死亡原因の由来により，外因性急死と内因性急死に分けられるが，一般に急死といえば内因性急死をさす。
【外因性急死】
　体外から作用した原因による急死。絞殺や扼殺（やくさつ）などの窒息急死，刃物によって大血管や臓器が損傷され，大出血して死亡する失血急死，交通事故や災害の際に，頭部が挫砕されて生じる脳損壊による急死，やけどや感電による急死，催眠剤や農薬などの薬毒物による中毒急死などがある。…

※「SUD」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報