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Results: 5

1.
Figure 5

Figure 5. From: Assessing Epicardial Substrate Using Intracardiac Echocardiography During VT Ablation.

A) ICE image with increased echogenicity in epicardium (white arrows) identified on posterolateral wall. Pericardium is noted by red arrow. B) LV endocardial voltage map with normal voltage. C) LV epicardial voltage map with area of low voltage on the posterolateral wall. D) Late potentials identified on LV epicardium (fractionated, split, and isolated). LV = left ventricle

Rupa Bala, et al. Circ Arrhythm Electrophysiol. ;4(5):667-673.
2.
Figure 2

Figure 2. From: Assessing Epicardial Substrate Using Intracardiac Echocardiography During VT Ablation.

A) ICE image with increased echogenicity in epicardium (white arrows) and mid-myocardium (blue arrows) identified on posterolateral wall. Pericardium is marked by red arrow. B) LV endocardial voltage map with normal voltage. C) LV epicardial voltage map with area of low voltage on the posterolateral wall. D) MRI image (long axis) with extensive areas of delayed enhancement (DE) in epicardium (white arrow) and mid-myocardium (blue arrow). Normal epicardium (yellow arrow) and normal endocardium (white arrow) are noted. LV = left ventricle, ENDO = endocardium, EPI = epicardium

Rupa Bala, et al. Circ Arrhythm Electrophysiol. ;4(5):667-673.
3.
Figure 4

Figure 4. From: Assessing Epicardial Substrate Using Intracardiac Echocardiography During VT Ablation.

A) ICE image with increased echogenicity in epicardium (white arrows) and mid-myocardium (blue arrows) identified on posterolateral wall. Pericardium is marked by red arrow. B) LV endocardial voltage map with normal voltage. C) LV epicardial voltage map with area of low voltage on posterolateral wall. Late potentials are denoted by black tags. The epicardial scar calculation includes the area of late potentials in “normal voltage (> 1 mV)” and the area of low voltage more distal. Electrograms (EGMs) of representative late potentials are shown. LV = left ventricle, Abl D = Ablator distal; Abl P = Ablator proximal

Rupa Bala, et al. Circ Arrhythm Electrophysiol. ;4(5):667-673.
4.
Figure 1

Figure 1. From: Assessing Epicardial Substrate Using Intracardiac Echocardiography During VT Ablation.

A) ICE image with increased echogenicity in epicardium (black arrows) and mid-myocardium (blue arrows) identified on posterolateral wall. Pericardium is marked by red arrow B) LV endocardial voltage map with normal voltage. C) LV epicardial voltage map with area of low voltage on the posterolateral wall. The white arrow points to a late potential identified in the epicardial scar. D) Epicardial late potentials on ABL D (back arrows). LA = left atrium, LV = left ventricle, mv = mitral valve, Abl D = ablator distal, Abl P = ablator proximal, RVA = right ventricular apex

Rupa Bala, et al. Circ Arrhythm Electrophysiol. ;4(5):667-673.
5.
Figure 3

Figure 3. From: Assessing Epicardial Substrate Using Intracardiac Echocardiography During VT Ablation.

A) ICE image with increased echogenicity in epicardium (white arrows) and mid-myocardium (blue arrows) identified on posterolateral wall. Pericardium is marked by red arrow. Ablation catheter in pericardial space is marked by red arrow. B) ICE image with ablation catheter (red arrows) in pericardial space with catheter tip adjacent to area of mid-myocardial/epicardial echogenicity. C) LV epicardial voltage map with area of low voltage on the posterolateral wall. The red star marks the location of the catheter tip on the epicardial voltage map that is seen on the ICE image in panel B. Late potentials are denoted by black tags. D) MRI image (long axis) with extensive areas of delayed enhancement (DE) in epicardium (white arrow) and mid-myocardium (blue arrow). Normal endocardium (white arrow) is noted. LV = left ventricle, ENDO = endocardium, EPI = epicardium

Rupa Bala, et al. Circ Arrhythm Electrophysiol. ;4(5):667-673.

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