Chest compression -- not mouth-to-mouth resuscitation -- seems to be the key in helping someone recover from cardiac arrest, according to new research that further bolsters advice from heart experts.

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 ...

Cardiac arrest happens when the heart stops pumping blood properly, cutting off oxygen to the brain and other vital organs. In these emergencies, cardiopulmonary resuscitation (CPR) can help keep ...

Microgravity makes it tricky to do simple tasks like eating, using the toilet and showering, so it is no wonder that performing CPR on someone whose heart stops beating in space is an extremely ...