Ballistocardiograph and Medical instrument

Ballistocardiograph noun - A medical instrument that measures the mechanical force of cardiac contractions and the amount of blood passing through the heart during a specified period by measuring the recoil of the body as blood is pumped from the ventricles.

Medical instrument and ballistocardiograph are semantically related. In some cases you can use "Medical instrument" instead a noun "Ballistocardiograph".

Medical instrument noun - Instrument used in the practice of medicine.

Ballistocardiograph and medical instrument are semantically related. Sometimes you can replace term "Ballistocardiograph" with "Medical instrument", this terms are similar.