By Peter G. Danias
Cardiac Magnetic Resonance (CMR) is a speedily evolving imaging know-how and is now more and more used in sufferer care. Its merits are noninvasiveness, terrific picture resolutions, and physique tissue characterization. CMR is now a vital a part of either cardiology and radiology education and has develop into a part of the exam for Board certification. This ebook presents a condensed yet accomplished and reader pleasant academic instrument for cardiology fellows and radiology citizens. It includes a number of selection questions just like board examinations with concise remark and rationalization concerning the right answer.
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Extra info for Cardiovascular MRI: 150 Multiple-Choice Questions and Answers (Contemporary Cardiology)
Severe aortic and mitral valve regurgitation E. Mild aortic and mitral regurgitation 3 Valvular Heart Disease 51 Correct answer is B. The flow analysis at the aortic root demonstrates severe aortic regurgitation (Fig. 12, shaded grey area under the zero line, indicating backward flow) and a regurgitant fraction of 50%. , mild mitral regurgitation). The right pleural effusion noted on the magnitude image (Fig. 12, white arrow) is most likely caused by congestive left heart failure. 52 Cardiovascular MRI: 150 Multiple-Choice Questions and Answers 13.
Ability to perform long breath-holds (>15 s) B. Weight <100 kg (220 lbs) C. Sinus rhythm D. Absence of coronary stents E. Claustrophobia management Correct answer is E. CMR imaging no longer requires prolonged breath holding . Patients of up to 230 kg (400 lb) may be imaged, although image quality may be suboptimal in the morbidly obese . The presence of regular sinus rhythm is desirable for cardiac imaging but not mandatory. Stents cause local image artifacts but are not contraindication for CMR [3–5].
It is unlikely that the patient has severe aortic stenosis Correct answer is D. 6A demonstrates a trileaflet aortic valve with good coaptation of the three cusps. The right (R), left (L) and noncoronary (NC) cusps are indicated. This white blood image also demonstrates normal diameter of the right ventricular outflow tract (RVOT), which is smaller than the aortic valve annulus, arguing against a hemodynamically significant intracardiac left-to-right shunt. Finally, it is unlikely that the patient has severe aortic stenosis, as demonstrated by the good opening of the valve in the systolic frame (white-out area, Fig.