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“A virtual model of our hearts is still closer to a human heart than that of a dog, cow, sheep, or pig, which tends to be what they use for implantable device studies,” she says.

It's a computer-generated heart, or digital twin, used to test implantable cardiovascular devices, like stents, and prosthetic valves that, once confirmed they are safe, will eventually be used on real people.

Northwestern University scientists have designed a new implantable device that can monitor fluctuating levels of proteins within the body in real time.

The researchers built an implantable microdevice with the electrode and sensors inside a thin microneedle, the width of just three human hairs.

More importantly, the reviewers note, it took longer -- nearly four decades -- to optimize two current therapies to reduce mortality in heart failure: implantable cardioverter-defibrillators and guideline-directed medical therapy.