English Experts

[Tiago Tafari Catelam]

Morte súbita = "Sudden death"

Example:
"The game went into a sudden death." - "O jogo foi pra morte súbita."

Hope this helps

[maryziller]

Did you know that there are two kinds of sudden death syndrome?
There is Sudden Infant Death Syndrome, also known as crib death,
which claims the lives of about 2,500 each year in the United States.

http://kidshealth.org/parent/general/sleep/sids.html

and there is Sudden Arrhythmia Death Syndrome (SADS),
a disorder of the electrical system of the heart.
http://news.bbc.co.uk/2/hi/health/medical_notes/424813.stm

[Henry Cunha]

I guess the opposite would be something like "death by a thousand cuts"..., like taxes, or love rejected...