A kinder, gentler defibrillator

When electrical rhythms in the heart go haywire, applying a strong electric shock to the chest can set them straight. But the procedure can also damage heart tissue and cause intense pain, prompting a search for a gentler approach. A technique tested in dogs now claims to be just that: it resets heart arrhythmias by applying a series of five small shocks, instead of one large one, slashing the amount of energy needed by about 84%.

[Read more at Nature // July 13, 2011]

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