Amazon S3 on MSN
How defibrillators really work, explained with science
Understand how defibrillators work to restart the human heart.
Lancashire Evening Post on MSN
Call to reinstate defibrillators - nearly 1/3 of those in North West wouldn't work in an emergency
Nearly a third of all publicly-accessible defibrillators in the North West do not work, according to shock new research.
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