| His bundle e. |
an intracardiac electrogram of potentials in the lower right atrium, atrioventricular node, and His-Purkinje system, obtained by positioning intracardiac electrodes near the tricuspid valve; it is used to pinpoint the site, extent, and mechanisms of arrhythmias and conduction defects. See also illustration.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
|---|