In English, if there is any kind of emergency or urgent assistance needed, we use the interjection, "Help!" In Spanish I've seen several: ¡Socorro! ¡Auxilio! ¡Ayuda! or ¡Ayúdame! Which of these is ...
In English, if a bad situation seems imminent but is finally avoided, we might reply with an interjection like "Thank goodness!" or "Whew!". I know "Thank goodness!" has several possible translations ...