Figure 8-1. Success rates of VT ablation. The VTACH study [14] was a multicenter, open-label, randomized, controlled trial that enrolled patients with at least one prior VT episode and a…
Invasive procedures Noninvasive methods Intracoronary injection of tyramine Invasive evaluation of the response to exercise Radiolabeled catecholamine analogues Radiolabeled receptor antagonist Guanethidine analogue 123I-MIBG Catecholamine analogue ¹¹C-HED β-Adrenergic receptor antagonist…
Figure 1-1. Anatomy and distribution of the cardiac nervous systems. The cardiac sympathetic nerve ends (blue) are projected from sympathetic neurons in the stellate ganglia, which are bilateral to the…
SCANNING TECHNIQUE AND NORMAL ANATOMY Duplex ultrasound (DUS) evaluation of the hepatic vasculature is best performed using a 2- to 5-MHz curved array transducer in a fasting (8 to 12…
FIGURE 7.1. Mass and spring model for tissue mechanics. The ultrasound transmission properties of tissue can be derived by considering the tissue to be assembled from masses (representing tissue density)…
FIGURE 24.1. Arteriogram of atherosclerotic renal artery stenosis. The lesions are located in the proximal right and left renal artery segments and are associated with significant aortic involvement. There is…
FIGURE 20.1. Virchow’s triad of thrombus formation. First described by Paget and von Schrötter in the late 1800s and subsequently named the “Paget-Schrötter syndrome,” a significant fraction of cases of…
aRating scale: 1, 2, 3 usually not appropriate; 4, 5, 6 may be appropriate; 7, 8, 9 usually appropriate. Adapted from American College of Radiology ACR Appropriateness Criteria®, 2013.9 US,…
FIGURE 8.1. Transverse or cross-sectional images. A,B-mode image shows an eccentric plaque in the mid common carotid artery (CCA; arrow). B,Color-flow image of the carotid bifurcation shows the internal carotid…
FIGURE 31.1. Mechanical and phased array transducers. Mechanical transducer images may have artifact related to the wire position. (Courtesy of Boston Scientific Corporation, Natick, MA.) Both types of transducers have…
