Research Article

Intra-QT Spectral Coherence as a Possible Noninvasive Marker of Sustained Ventricular Tachycardia

Figure 4

Spectral coherence between the tested variables in a patient with chronic heart failure: →RR (a), →RR (b), T e→RR (c), and T e (d). Spectral coherence reaches maximum in T e.
583035.fig.004a
(a)
583035.fig.004b
(b)
583035.fig.004c
(c)
583035.fig.004d
(d)