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1. The graphic recording of movements of the body imparted by ballistic forces (cardiac contraction and ejection of blood, ventricular filling, acceleration, and deceleration of blood flow through the great vessels); these minute movements are amplified and recorded on moving chart paper after being translated into an electrical potential by a pickup device.
2. The study and interpretation of ballistocardiograms.
Farlex Partner Medical Dictionary © Farlex 2012
ballistocardiographyA technique for producing a graphical representation of repetitive motions of the body evoked by the mechanical ejection of blood from the ventricles into the great vessels with each heart beat. It is a vital sign in the 1–20-Hz frequency range and can be recorded by noninvasive methods on the skin surface.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.