Research Article

A Time-Domain Hybrid Analysis Method for Detecting and Quantifying T-Wave Alternans

Figure 5

The different cases of nonstationary TWA. (a) Sinusoidal trend of TWA amplitude signals; (b) cascaded TWA amplitude signals; (c) phase-reversal TWA.
502981.fig.005a
(a)
502981.fig.005b
(b)
502981.fig.005c
(c)