Niels Högel and the Horrifying “Resuscitation Rambo” Case

There are healthcare true crime stories where the medical setting is almost incidental, and then there is the case of Niels Högel. His job as an ICU nurse was not simply where the crimes happened. The ICU environment, the medications available to him, the normal unpredictability of critically ill patients, and his reputation for being good during resuscitations all became part of how the pattern continued for years. In Episode 28 of The ER Edit, Karlie Tooley brings Caitlin Armstrong into the Niels Högel case completely blind, walking her through the story while Caitlin reacts and breaks it down from an ER nurse perspective in real time.

Högel began working as a nurse in northern Germany and eventually specialized in intensive care. He was not initially known as an incompetent nurse. Quite the opposite. He was considered capable in emergencies and seemed especially eager to participate when patients went into cardiac arrest. That eventually became one of the strangest pieces of the entire case. Investigators concluded that Högel administered medications without appropriate medical indication that could cause dangerous cardiac rhythm disturbances, circulatory collapse, and cardiac arrest. He would then call for help and participate in the resuscitation.

The motive is what immediately sends Caitlin and Karlie down the rabbit hole. According to evidence discussed in the case, Högel experienced psychological gratification when a resuscitation succeeded. The emergency itself was something he created, but he could then become the nurse fighting to bring the patient back. He reportedly described feeling good for days after successful resuscitations. When patients died, death was not necessarily the only reward he was seeking. Recognition, excitement, validation, and the opportunity to demonstrate his abilities all became part of the picture.

Coworkers eventually noticed something was wrong. Patients seemed to deteriorate unusually often when Högel was working, and his enthusiasm during resuscitations earned him the nickname “Resuscitation Rambo.” But this is where the case becomes especially uncomfortable from a nursing perspective. ICU patients are critically ill. They develop arrhythmias. Their blood pressure crashes. They code. Some die unexpectedly despite appropriate care. Looking backward after discovering a serial killer makes the pattern feel obvious. Standing inside an ICU during an ordinary shift is completely different.

Högel eventually left the hospital in Oldenburg and obtained another nursing position in Delmenhorst. Later investigation uncovered an extraordinary mortality pattern. Investigators examined 411 deaths during a period of his employment and found that 321 occurred while Högel was working or shortly after his shift. That number sounds impossible once you know what happened. The harder question is when a statistical pattern like that should have become visible to the people responsible for quality, management, staffing, and patient safety.

Everything changed when another nurse witnessed Högel administering medication that had not been prescribed for a patient. This was no longer a weird feeling or a coworker who always seemed to be around when something went wrong. Someone had actually witnessed inappropriate manipulation of a patient’s treatment. Authorities became involved, and what initially appeared to be an isolated case eventually expanded into one of the most horrifying investigations in modern healthcare.

Families began asking questions about unexplained deaths. Investigators reviewed medical records, medication records, staffing schedules, death certificates, and patient histories. More than 130 bodies were eventually exhumed, while other potential cases could not be investigated in the same way because patients had been cremated. In 2019, Högel was convicted of murdering 85 patients.

For Caitlin and Karlie, one of the hardest parts is the question that followed: who else should have stopped him? Investigators eventually scrutinized physicians, nurses, managers, and hospital leadership. From the outside, asking why nobody noticed is understandable. From inside healthcare, Caitlin and Karlie push back on the idea that an ordinary bedside nurse should somehow identify a serial killer based on intuition alone. Nurses are responsible for intervening when they witness unsafe care. They are not walking into every shift conducting surveillance on their coworkers while simultaneously trying to keep their own patients alive.

That opens a much more interesting systems question. Hospitals already audit medication use, safety events, unexpected outcomes, and countless other metrics. Should unusual concentrations of codes, deaths, or deteriorations connected to an individual staff member trigger additional review? At what point does coincidence become a patient safety pattern worth investigating? The Högel case makes those questions difficult to dismiss.

The episode eventually moves into Högel’s motive and a larger conversation about serial killer psychology, sociopathy, psychopathy, manipulation, and how dangerous people can appear completely ordinary. But the detail that sticks is much simpler. After creating a medical crisis, Högel still had to continue working. He still had other patients. He still had coworkers. He had to move from a resuscitation back into the normal rhythm of an ICU shift. That may be the most disturbing part of healthcare true crime: sometimes the person causing the emergency can look exactly like the person helping you respond to it.