A system for accelerating confirmation of cardiac arrhythmias, comprising: memory to store specific executable instructions; one or more processors configured to execute the specific executable instructions for: obtaining a far field cardiac activity (CA) data set that includes far field CA signals for a series of beats, the CA data set including a first CA data subset and a remainder CA data subset ; analyzing the CA data set for an arrhythmia of interest utilizing a primary detection process having primary criteria; characterised in that during a first phase of the primary detection process , analyzing the first CA data subset to determine whether the first CA data subset satisfies at least a portion of the primary criteria; when the first CA data subset satisfies at least the portion of the primary criteria, initiating a secondary confirmation process ; parallel and contemporaneous in time: i) analyzing the first CA data subset utilizing secondary criteria associated with the secondary confirmation process and; ii) analyzing the remainder CA data subset utilizing the primary criteria; declaring the CA data set to exhibit an arrhythmia episode when the first CA data subset satisfies the secondary criteria and the remainder CA data subset satisfies a remainder of the primary criteria. memory to store specific executable instructions; one or more processors configured to execute the specific executable instructions for: obtaining a far field cardiac activity (CA) data set that includes far field CA signals for a series of beats, the CA data set including a first CA data subset and a remainder CA data subset ; analyzing the CA data set for an arrhythmia of interest utilizing a primary detection process having primary criteria; obtaining a far field cardiac activity (CA) data set that includes far field CA signals for a series of beats, the CA data set including a first CA data subset and a remainder CA data subset ; analyzing the CA data set for an arrhythmia of interest utilizing a primary detection process having primary criteria; characterised in that during a first phase of the primary detection process , analyzing the first CA data subset to determine whether the first CA data subset satisfies at least a portion of the primary criteria; when the first CA data subset satisfies at least the portion of the primary criteria, initiating a secondary confirmation process ; parallel and contemporaneous in time: i) analyzing the first CA data subset utilizing secondary criteria associated with the secondary confirmation process and; ii) analyzing the remainder CA data subset utilizing the primary criteria; declaring the CA data set to exhibit an arrhythmia episode when the first CA data subset satisfies the secondary criteria and the remainder CA data subset satisfies a remainder of the primary criteria. during a first phase of the primary detection process , analyzing the first CA data subset to determine whether the first CA data subset satisfies at least a portion of the primary criteria; when the first CA data subset satisfies at least the portion of the primary criteria, initiating a secondary confirmation process ; parallel and contemporaneous in time: i) analyzing the first CA data subset utilizing secondary criteria associated with the secondary confirmation process and; ii) analyzing the remainder CA data subset utilizing the primary criteria; i) analyzing the first CA data subset utilizing secondary criteria associated with the secondary confirmation process and; ii) analyzing the remainder CA data subset utilizing the primary criteria; declaring the CA data set to exhibit an arrhythmia episode when the first CA data subset satisfies the secondary criteria and the remainder CA data subset satisfies a remainder of the primary criteria. <EOS>