When I was a cardiology fellow back in the 1980s, I learned about a variety of early tools for evaluating heart health that had been displaced by the modern standards of electrocardiography (ECG, or EKG for the Deutschephiles) and echocardiography. One such technique – ballistocardiography – stuck with me, and may be making a comeback.
Ballistocardiography is based on the observation that the mechanical action of the heart leads to subtle ...
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