University Medical Center, Las Vegas: A 40-year-old woman is hit in a head-on collision; A man was rock climbing when a boulder fell on his foot; 70-year-old man is suspected of having had a heart attack; An elderly woman is experiencing breathing problems; A 21-year-old woman collapses in her kitchen; A 10-year-old boy was hit by a car; An elderly man in a nursing home was found gasping for breath.
—Anonymous