For life-threatening emergencies, citizens should contact the national emergency number.

Many life-threatening emergencies occur in the home, and a quick response is crucial.

I do hope this isn't a life-threatening emergency of some kind.

I was frequently sick, but the life-threatening emergencies had gone away.

And time, in any life-threatening emergency, is ultimately the most critical factor.

"No one leaves Isabella during a run except in the case of a life-threatening emergency."

During that period, however, there were no reports of life-threatening emergencies, the police said late Friday.

All the laws do make exceptions for life-threatening medical emergencies.

We do face a serious problem here, but it is not yet a life-threatening emergency.

The other 10%, however, experience enough transfer of venom to cause life-threatening emergency.