Prognostic stratification using dobutamine stress 99mTc-tetrofosmin myocardial perfusion SPECT in elderly patients unable to perform exercise testing. J Nucl Med. 2005;46:12 8. 342. Rozanski A, Gransar H, Hayes SW, et al. Comparison of long-term mortality risk following normal exercise vs adenosine myocardial per- fusion SPECT. J Nucl Cardiol. 2010;17:999 1008. 343. Wallace EL, Morgan TM, Walsh TF, et al. Dobutamine cardiac magnetic resonance results predict cardiac prognosis in women with known or suspected ischemic heart disease. J Am Coll Cardiol Car- diovasc Imaging. 2009;2:299 307. 344. Cortigiani L, Picano E, Vigna C, et al. Prognostic value of pharma- cologic stress echocardiography in patients with left bundle branch block. Am J Med. 2001;110:361 9. 345. Min JK, Shaw LJ, Devereux RB, et al. Prognostic value of multide- tector coronary computed tomographic angiography for prediction of all-cause mortality. J Am Coll Cardiol. 2007;50:1161 70. 346. Small GR, Yam Y, Chen L, et al. Prognostic assessment of coronary artery bypass patients with 64-slice computed tomography angiography anatomical information is incremental to clinical risk prediction. J Am Coll Cardiol. 2011;58:2389 95. 347. Chow BJ, Ahmed O, Small G, et al. Prognostic value of CT angiography in coronary bypass patients. J Am Coll Cardiol Car- diovasc Imaging. 2011;4:496 502. 348. Hachamovitch R, Johnson JR, Hlatky MA, et al. The study of myo- cardial perfusion and coronary anatomy imaging roles in CAD (SPARC): design, rationale, and baseline patient characteristics of a prospective, multicenter observational registry comparing PET, SPECT, and CTA for resource utilization and clinical outcomes. J Nucl Cardiol. 2009;16:935 48. 349. Survivors of out-of-hospital cardiac arrest with apparently normal heart. Need for definition and standardized clinical evaluation. Con- sensus statement of the Joint Steering Committees of the Unexplained Cardiac Arrest Registry of Europe and of the Idiopathic Ventricular Fibrillation Registry of the United States. Circulation. 