Not if one is dead..
Typically, addressing the underlying cause with dictate if cyanosis will go away quickly.
Why? The color refers to the color or blood and its level of oxygenation- lots of oxygen
, then blood is bright red. If low in oxygenation, then it looks more purple. Therefore:
1. Cyanosis from choking
? Yes if cause of choking is removed
2. Death? Unlikely.