(f) after comparing the superimposed waveforms, merging the selected bin and the displayed bin compared therewith if sufficient similarity is found.Ģ. (e) comparing the superimposed waveforms to determine if they are similar enough to be merged and
(d) after performing steps b and c, displaying the waveform of a representative beat from the selected bin superimposed over a waveform from a displayed bin to allow direct comparison of the waveform of the selected bin and the displayed bin (c) selecting a bin for possible recategorization (b) displaying a plurality of representative beats on a display screen, the beats being representative of a plurality of bins
(a) performing a Fourier analysis on the beat data to obtain pluralities of points in the complex plane representing the natural complex frequencies of each beat and preliminarily categorizing the beats into a plurality of bins of similar waveforms based on the proximity of corresponding pluralities of points in the complex plane A method of analyzing data representing a patient's heart beats over a period of time as a plurality of waveforms, the method comprising the steps of: Preferred embodiments also provide the clinician/user immediate access to surrounding real-time data when reviewing individual beats.ġ. A P-wave marker capability is also provided to give a constant reference point during beat review in the superimposition mode. Audio information is also preferably provided to aid the clinician/user in detecting abnormal beats.
In preferred embodiments, recategorization is accomplished by "dragging" a beat to a new bin with the aid of a pointing device or "mouse." In preferred embodiments, a superimposition mode allows dynamic review of beat graphs with automatic detection, color coding, and optional pause at abnormal beats. Once beats are preliminarily assigned to bins by the system, the clinician/user may review beats by bin and reassigned beats as desired. In preferred embodiments, a transformation is performed on beat data and the transformed data are categorized into beat "bins." The clinician/user may select sensitivity to vary the number of bins created by the system. A method and computerized system for ECG data review and analysis are provided.
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