He was also interested in electrocardiography, especially vector cardiography and had machines constructed to show the three-dimensional view.
A meta-analysis of three decades of validating thoracic impedance cardiography.
By using impedance cardiography, however, these limitations may be overcome.
A meta-analysis of published studies concerning the validity of thoracic impedance cardiography.
Impedance cardiography has many obvious practical advantages, being non-invasive and safe.
