life support
US /ˈlaɪf səˌpɔːrt/
UK /ˈlaɪf səˌpɔːrt/

1.
suporte de vida, suporte vital
medical equipment that keeps someone alive when they are very ill and would otherwise die
:
•
The patient was put on life support after the accident.
O paciente foi colocado em suporte de vida após o acidente.
•
Doctors are considering taking her off life support.
Os médicos estão considerando tirá-la do suporte de vida.