Hemligheter från läkarnas journaler säsong 4

En kvinna som nästan blivit dödad av en puma flygs till sjukhuset där läkarna har aldrig sett något så brutalt.

En juvelerare genomgår en öppen hjärtoperation efter att blivit skjuten under ett rån.

Dr. Keller tror att en 15-årig pojke som blivit slagen med ett baseballträ lider av en hjärnskakning men en datortomografi visar att han har en omfattande hjärnblödning och att han lider av njursvikt.

En 11-årig flicka har pneumokocker som har en hög dödlighet.

Kraften av en tromb körde ett staket genom Julies hals och blockerar hennes luftvägar.

Brian opereras akut efter att ha förlorat sin arm i en trafikolycka.

En tonåring skadas under en fotbollsmatch och skyndas till akuten.

En skidåkare åker rakt in i ett träd i hög fart.

En förare blir allvarligt skadad i en bilolycka.

En vägg kollapsar på en ung pojke, som skadas allvarligt.

En beväpnad man stormar in på sjukhuset och börjar skjuta på akuten.

En ung pojke skadas allvarligt i en bilolycka.

Ett team av läkare försöker att rädda en polis liv.

En skallerorm biter en liten pojke.

En akutläkare lider av ett artärbråck och en patient får en insekt i örat. En pojke drabbas av ett krampanfall.

När ett rånoffer kommer in med två skottskador i huvudet måste teamet genomföra en akutoperation för att kunna rädda hennes liv.

Dr Schissel får ett svårlöst fall när ett till synes friskt spädbarn plötsligt drabbas av syrebrist.

After barely survivi+D4:D21cang an attack by a mountain lion, a woman is airlifted to hospital. Doctors have never seen anything so brutal and disfiguring.

A jewelry shop owner is shot point blank in the chest during a robbery and within minutes is undergoing emergency open-heart surgery.

A boy suffers from a massive brain hemorrhage after being hit by a baseball bat. He is rushed to surgery, where it's discovered that he also has kidney failure.

Kassie arrives and is diagnosed with pneumonia. Dr Tellez devises a treatment that has never been attempted before. Will he win the gamble?

The force of a tornado drove a fence picket through Julie's neck. With it blocking her airways, the only way of saving her is to pull it out.

Seven-year-old Brian has been hit by a truck and his arm has been ripped off. In a ten-hour operation, Dr Gottlieb attempts to re-attach the arm.

Jarret is rushed into ER after being violently tackled in a football game. A CAT scan reveals that his liver is split and he needs emergency surgery.

A skier clings to life after slamming into a tree at 50mph. By the time he reaches the hospital he's a talking corpse.

A six-year-old Chinese girl is rushed in with intermittent seizures, but with a language barrier, will the doctor find out what's wrong with her?

More than 1,000lbs of dry wall crush onto a young boy's chest, stopping blood circulation to his vital organs. Doctors fear the worst.

Gripping tales of medical emergencies. Doctors must look after their own when a psychotic gunman enters the hospital and starts shooting staff. Dr May is shot in the head, but can his colleague save.

A mother and son are brought in after a horrific car accident. The son was not wearing a seat belt during the crash and was ejected from the car.

A police man is struck by a speeding driver seeking revenge, which may leave him with no legs. A team of doctors try and save the officer's life.

Snake-bite expert Dr Sean Bush faces his own nightmare when his wife calls to tell him a venomous rattlesnake has just bitten their two-year-old son.

When a four-pound steel hook impales the skull of construction worker Gail Creek, trauma surgeon Joe Eric Johnston has the impossible task of keeping the man alive.

A ruptured brain aneurysm threatens to kill the ER's medical director, making Dr Yamarick face one of his most difficult moments.

A mugging victim arrives with two bullet wounds to the brain. Dr Dresel and her team must perform an emergency craniotomy in order to save her life.

Real life stories of medical emergencies. Follow the case of a boy with an oxygen deficiency and bizarre brown blood. Meanwhile, a man has his arm stuck in a meat grinder, and he's losing blood.