Study Says Tiny Wireless Pacemaker OK, But Doctors Cite Safety Concerns

A tiny, wireless pacemaker could offer some heart patients a surgery-free alternative to the traditional devices, a new study says. Some doctors, however, say there are lingering safety questions and warned patients not to rush to get the new technology.

Unlike traditional pacemakers — which need a generator and wires and are implanted via surgery — the new pacemaker is a wireless tiny tube that can be attached to the right side of the heart using a catheter inserted through the leg.

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