YSK if someone goes into cardiac arrest you should begin CPR immediately after calling 911
from /r/YouShouldKnow
YSK如果有人出现心脏骤停,你应该在拨打911后立即开始心肺复苏。
YSK如果有人出现心脏骤停,你应该在拨打911后立即开始心肺复苏。
YSK if someone goes into cardiac arrest you should begin CPR immediately after calling 911
from /r/YouShouldKnow