An ER doctor’s friend arriving at the hospital in a combative and out‑of‑control state, attacking the doctor and others in the ER. Cyclist’s throat torn open when a driver opens a car door in her path — a sudden, violent injury requiring urgent airway management. Nursing student found passed out — a case that likely involves sudden illness or injury, prompting a rapid assessment and treatment. A man impaled in the abdomen by a stiletto heel — a rare and dangerous trauma that tests the ER team’s ability to stabilize and operate under pressure