Key Takeaways

Researchers say they’ve found the best method for CPR in space

Mechanical piston devices provide compressions powerful enough to provide life-sustaining blood flow

The devices outperform other interventions created for weightless conditions

THURSDAY, Aug. 28, 2025 (HealthDay News) — As humans begin to colonize space, it’s inevitable that some will suffer a cardiac arrest.

Space CPR conducted in weightlessness will be crucial to save their lives – and researchers say they’ve now come up with a better method.

Automatic chest compression carried out by a mechanical piston is expected to be more effective than emergency protocols now in place for the International Space Station, researchers reported Wednesday at the European Society of Cardiology’s annual meeting in Madrid

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