Hands-only CPR vs standard CPR after witnessed cardiac arrest
Part of Heart & circulation clinical trials.
This study compares two ways of doing CPR for adults who collapse outside the hospital and are not breathing normally: hands-only CPR versus standard CPR. The goal is to see which approach improves survival after witnessed cardiac arrest.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be an adult (18 or older).
- The collapse must be witnessed (someone saw or heard it happen).
- At the scene, you are unconscious and not breathing normally (no, abnormal, or agonal breathing).
- Someone who witnessed the collapse has prior CPR training.
- The situation should not be due to choking/strangulation or other obvious lack of oxygen.
- The collapse should not be from trauma, an obvious drug overdose, or another obvious non-cardiac cause like major injury; you also can’t be pregnant.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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