

A jewelry shop owner undergoes open-heart surgery after being shot during a robbery.

A Woman is attacked by mountain lion. A difficult lady has abdominal problems.

Dr. Keller thinks a boy struck by a baseball bat has a concussion, but a CT scan reveals massive brain bleeding, and he suffers kidney failure.

An 11-year-old girl has streptococcal pneumonia, which has a high fatality rate.

A 7-year-old boy undergoes surgery to reattach his left arm after it was severed in a truck accident.

A six-year-old girl is Rushed to the ER with intermittent Seizures.

A crazed gunman storms a large metropolitan hospital and opens fire in the ER.

A rattlesnake bites the 2-year-old son of a snakebite expert.

A ruptured brain aneurysm threatens to kill the ER's medical director.