Hearing that there was an emergency case, the doctor put down his chopsticks and left at once.

听说有急诊，医生撂下筷子就走。

《新英汉大辞典》

In emergency case it could be closed with caisson with the weight of 150 tons.

在紧急情况下，可以用150吨重的沉箱将其关住。

youdao

I dread to think what will happen in the case of a major emergency.

我不敢想像万一出现重大紧急情况会怎么样。

《柯林斯英汉双解大词典》

If you know first aid methods, you can be calmer and more helpful in case of emergency.

VOA: special.2009.08.11

The military aid always has to be within a certant disatance of the president in case of emergency.

军事助理经常需要,待在总统的一定范围内,以防出现紧急情况。

普林斯顿公开课 - 国际座谈会课程节选

She says health facilities are a fundamental part of community life and it is important they are designed to be useful in case of emergency.

VOA: standard.2009.10.14

But all too often that is not available in the community, and so they end up in hospital as an emergency case.

BBC: Are the patients the problem?

In case of a national emergency, Americans are most trusting in local law enforcement in case of a shooting (58%), the FBI in case of a terrorist attack (53%), the Centers for Disease Control in case of a pandemic (49%), and the Federal Emergency Relief Administration in case of a natural disaster (45%).

FORBES: Americans Neither Worried Nor Prepared In Case of a Disaster: SUNYIT-Zogby Analytics Poll

Smart phone applications such as Emergency Aid or In Case of Emergency (ICE) for the iPhone provide one-touch emergency contacts and first aid information in the event of an incident.

CNN: In an emergency, who do you call?