In addition to avoiding exposure to ionizing radiation, stress cardiac MR (CMR) myocardial perfusion imaging is an effective and robust risk-stratifying tool for patients of either sex presenting with possible ischemia, according to a study in the August issue of JACC: Cardiovascular Imaging.

CT scans performed in the emergency department (ED) increased 330 percent between 1996 and 2007, and may be reducing the frequency of hospitalization or transfer for emergency patients, according to a study published online Aug. 8 in Annals of Emergency Medicine.