If the monitor shows PEA, don't assume more adrenaline is the answer. Trying to resolve tamponade, embolism, or occult bleeding based on generic flowcharts will lead you to the absolute frustration of an endless code.

Perioperative collapse requires looking under the surface. The real causes (toxins, hypovolemia, tension pneumoperitoneum) are down there waiting for you to identify them. Break the ice with the PeRLS 2025 protocol.

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