Modalities such as CTA and CMR angiography provide primarily anatomical data, allowing for the assessment of coronary stenosis. 4 An understanding of the patient population, patient pretest probability of CAD, Bayes’ theorem, and the risk, benefits and limitations of each technology will enable the medical imaging professional to assist clinicians with test selection.įunctional versus anatomical imaging for CADĬardiac imaging modalities can be divided into 2 broad groups, though some overlap does exist (Figure 1). Though all are available for the diagnosis and prognostication of patients with suspected and documented coronary artery disease (CAD), selecting the “best test” can be daunting to clinicians. 3 Critical to management of symptomatic patients is the appropriate use of noninvasive diagnostic tests.Īt the clinician’s disposal is a large armamentarium of tests, including treadmill stress tests, stress echocardiography (ECHO), myocardial perfusion imaging (MPI)-through both single photon emission computed tomography (SPECT) and positron emission tomography (PET)-CT coronary angiography (CTA), and cardiac magnetic resonance imaging (CMR). 1,2 With the aging of populations in developed countries and the industrialization of other nations, the prevalence of cardiovascular disease worldwide is likely to increase.
Chow is supported by CIHR New Investigator Award #MSH-83718.Ĭardiovascular disease is the leading cause of morbidity and mortality in the Western world.
Chow is the Co-Director of Cardiac Radiology, Director of Cardiac Imaging Fellowship Training, Associate Professor, Departments of Medicine (Cardiology) and Radiology, University of Ottawa Heart Institute, Ottawa, ON, Canada.ĭr. Small is a Cardiac Imaging Fellow, Department of Medicine (Cardiology), University of Ottawa Heart Institute, Ottawa, ON, Canada and Dr. Al-Shehri is a Fellow in Cardiac Imaging, Department of Medicine (Cardiology), University of Ottawa Heart Institute, Ottawa, ON, Canada Dr.
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