<unk>  is a method based on the model of<unk>  Velocimetry, and non-invasively measures stroke volume (SV), cardiac output (CO), and other hemodynamic parameters through the use of 4 surface ECG electrodes.<unk>  is a method trademarked by Cardiotronic, Inc., and is U.S. FDA approved for use on adults, children, and neonates.
Electrical cardiometry
Vectorcardiography
Impedance cardiography
Magnetocardiography
Electrocardiography
Cardiotocography
Cardiac electrophysiology
Ballistocardiography