Extreme heat has acted as an accelerator and has destabilized a system that was already structurally fragile, according to recent reports. As temperatures have risen, emergency services have been pushed to their limits, struggling to cope with the surge in demand. This situation has raised concerns about the long-term sustainability of emergency care systems, especially in regions where heatwaves are becoming more frequent and intense. Emergency services have absorbed the shock of the extreme heat, but the true cost of this strain remains unclear. Samu Urgences de France, a key organization in emergency medical care, has published an investigation detailing the concrete consequences of extreme heat on the entire chain of emergency care. The report highlights increased activity, a shortage of medical regulation assistants, and a lack of reinforcement for medical regulators, all of which contribute to the growing pressure on the system. The investigation provides a detailed look at how emergency services are being stretched thin during heatwaves. It points out that the number of emergency calls has surged, but the resources available to handle them have not kept pace. This imbalance has led to longer response times and increased risks for patients, particularly the most vulnerable members of the population. The full article is reserved for registered users, though it can be accessed for free upon registration. This restriction has sparked discussions about the importance of transparency in public health reporting and the need for more open access to critical information, especially during times of crisis.