Glossary entry (derived from question below)
русский term or phrase:
в случае...летального исхода
английский translation:
The risk is irreversible upon the development of a lethal outcome.
русский term
Австралия
www.sabletranslations.com
Native in: английский (Variants: Australian, New Zealand, British) 
, русский (Variant: Standard-Russia)
Works in: русский => английский, английский, английский => русский
в случае...летального исхода
The second sentence doesn't make sense to me. Obviously the risk is irreversible if the person has died from this adverse effect. I'm not sure whether to translate it 'as is' or tell the client that this sentence is ridiculous.
Dec 5, 2021 13:10: Frank Szmulowicz, Ph. D. Created KOG entry
Proposed translations
США
On time, on target, on budget.
Native in: английский , польский
Works in: польский => английский, английский => польский, русский => польский, and 1 more.
The risk is irreversible upon the development of a lethal outcome.
https://articlekz.com/en/article/25026
The development of adverse cardiac events was determined by the MACE scale criteria, which includes the development of a lethal outcome
https://www.iajps.com/pdf/july2018/118.IAJPS118072018.pdf
Канада
Life-saving precise translations
Native in: английский (Variant: US) 
, русский (Variant: Standard-Russia)
Works in: русский => английский, украинский => английский, английский => украинский, and 2 more.
The event is irreversible in case of death
Украина
Ukrainian and Russian medical linguist
Native in: украинский (Variant: Standard-Ukraine) , русский
Works in: английский => русский, английский => украинский, русский => английский, and 1 more.
Discussion