CPR kev ua tiav zoo thaum lub plawv raug ntes
> 90% 1min
> 60% 4min
> 40% 6min
> 20% 8min
Yuav luag 0% 10min
Ntawd yog: rau txhua txhua 1 feeb ntawm kev cawm, cov ciaj sia taus nqis txog 10%.
Sijhawm yog neej
Oct 17, 2019 Tso lus
Xa kev nug