In the article "Cardiac Image Fusion from Stand-Alone SPECTand CT: Clinical Experience," by Gaemperli et al. (J Nucl Med.2007;48:696703), Table 2 contains an error for patient33. The correct data for that patient are given below. In addition,the data for patient 23 in Table 2 contained a typographic error."qMid" should have been "Mid." We regret the errors.