Patent Document ID: 20100274146
Application ID: 12754955
Patent Flag: 0

Claim One:
1. An apparatus comprising: a first implantable sensor configured to produce a first electrical sensor signal representative of cardiac depolarization events of a heart of a subject; a second implantable sensor configured to produce a second electrical sensor signal representative of hemodynamic function of the heart; a signal analyzer circuit, communicatively coupled to the first and second implantable sensors, configured to: detect an arrhythmic event from the first sensor signal; and calculate hemodynamic stability in response to the arrhythmic event detection using the second sensor signal; and an arrhythmia discrimination circuit, communicatively coupled to the signal analyzer circuit and the first implantable sensor, configured to: select, according to a calculated hemodynamic stability produced by the signal analyzer circuit, an arrhythmia discrimination algorithm from among a plurality of candidate arrhythmia discrimination algorithms that are implementable by the arrhythmia discrimination circuit; classify the detected arrhythmia using the selected arrhythmia discrimination algorithm; and provide the arrhythmia classification to a user or process.