Twelve-year-old Tulsi is airlifted to St George's after falling from a cliff near her home in Hastings, 70 miles away. Clinical director Phil orders urgent CT scans as soon as Tulsi arrives so that he can assess the extent of her injuries. They reveal that she has a subdural haematoma: a clot of blood in her head, which is expanding, putting pressure on her brain. Tulsi needs emergency brain surgery.

Seventy-one-year-old Tony is rushed to St George's by air ambulance after falling head first onto a tiled floor while doing some DIY in his kitchen. He was talking when the ambulance crew arrived, but soon became unresponsive. Scans reveal that Tony has a severe bleed on his brain and requires immediate life-saving surgery. While his family wait on tenterhooks for news, Tony's wife Sue talks about the challenges of life with her husband, who worked on helicopters for the RAF around the world. Charlie, who's 23, has come to A&E with facial injuries after being assaulted on his way home from a night out. Doctors suspect he may have a broken jaw and send him for X-rays.

Eleven-year-old Jack is rushed to A&E after being hit by a motorbike while walking to his first day at secondary school. Jack managed to push his friend out of the way, but he was thrown up in the air and banged his head, fracturing his skull. He was taken to a local hospital but his injuries are so severe that he's been transferred to St George's. A CT scan reveals that Jack has a bleed on his brain caused by the fracture, and doctors are also worried that he may have internal bleeding. He's taken to intensive care.

Cyclist Athar, who's 22, is rushed to St George's after a collision with a car on his way to work. Athar wasn't wearing a helmet and he 'bullseyed' the car's rear window; he can't remember anything about the crash. Doctors send him for a CT scan to assess whether he has sustained a serious head injury, as well as damage to his neck, spine or internal organs that could be life-changing.

The new series of the RTS award-winning documentary continues to follow patients treated in the same 24-hour period at St George's Hospital in south-west London, which has one of the most advanced and busiest A&E departments in the world; it's a place where stories of life, love and loss unfold every day. Beth, who's 68, is rushed to A&E after falling down a flight of stairs and breaking her ankle; her foot is hanging off and the bone is sticking out. Beth, who's originally from Canada, has been living on her own since her husband died recently. Doctors manipulate her ankle back into place and she faces emergency surgery and intensive physiotherapy. She's determined to walk again.

The new run of the RTS award-winning documentary series continues, following patients treated in the same 24-hour period at St George's Hospital in south-west London, which has one of the most advanced and busiest A&E departments in the world; it's a place where stories of life, love and loss unfold every day. Fifty-year-old motorcyclist Michelle is rushed to A&E after crashing head first into a lamp post. Michelle was riding back from a rally on the Isle of Man with her husband Rik when the crash happened. She was taken to a local hospital, but her injuries were so severe that she's had to be transferred to St George's. Scans reveal that Michelle has broken bones in her neck, arm, ribs and shoulder. She'll need emergency surgery to fix her shoulder and the medical team won't know until afterwards if she will regain full use of her arm and hand.

The brand new series of the RTS award-winning documentary continues to follow patients treated in the same 24-hour period at St George's Hospital in south-west London, which has one of the most advanced and busiest A&E departments in the world; it's a place where stories of life, love and loss unfold every day. Stephan, who is 39 years old, is rushed to St George's with internal bleeding from his femoral artery. Stephan has a condition called Sudden Arrhythmic Death Syndrome and the bleed was caused by complications following an angiogram he had the day before. Doctors are concerned that the drop in blood pressure and sudden blood loss could be putting Stephan's heart under potentially fatal strain. Stephan had to have a device fitted to restart his heart and his cardiologist encouraged him to 'live a little' - so he's in training for his first Iron Man event. Emmanuel Junior, who is 19 years old, comes to A&E after suffering an acute attack of sickle cell disease.

Lauren, who's 12, has broken her leg playing rugby and needs extensive surgery. Mair, who's 89, has severe chest pain; doctors have to discuss whether she wants to be resuscitated if her heart stops.

Janine, who's 44, is rushed to St George's after being kicked by a horse at her stables in Surrey. Janine was left unable to walk and had to crawl over two fields to call for help. A CT scan reveals a major fracture to Janine's pelvis and further tests are needed to determine whether her injuries could be life-changing. Janine has a life-long affection for animals, which inspired a change of life after her mother suffered a major heart attack. Retired dairy farmer Val, who's 80, is brought to Resus after suffering an uncontrollable three-hour-long nose bleed. His symptoms are complicated by anti-clotting medication that he takes for his heart.

Train driver Andy, who's 48, is rushed to A&E after falling 12 feet from a tree while cutting branches. Andy landed on his feet and has badly fractured both ankles. He doesn't have any sensation in his feet and doctors are concerned that the impact may have caused life-changing damage to critical nerves and blood vessels in his feet and legs. Medics decide to cut the skin on his calves to relieve dangerous swelling. Andy will need major surgery.

Barrie, who's 78, is rushed to St George's with breathing difficulties. His wife Irene is with him. Barrie has been in A&E a few times in recent months with chest problems and is also suffering from dementia. While doctors carry out further tests, Irene talks about how they desperately wanted children, but found out that they couldn't. They adopted two children, but a few years later Irene found out she was pregnant and gave birth to a son on Barrie's 44th birthday.