A method of measuring a source impedance of at least one cardiac electrical signal in a mammalian heart is provided. A first amplifier system is operated. A first signal from a chamber of the heart is received. The first signal is passed through a first amplifier. A second amplifier system is then operated....http://www.google.fr/patents/US6629931?utm_source=gb-gplus-shareBrevet US6629931 - Method and system for measuring a source impedance of at least one cardiac electrical signal in a mammalian heart
Method and system for measuring a source impedance of at least one cardiac ...
