By Marc Dewey (auth.)
Computed tomography of the center has develop into a hugely actual diagnostic modality that's attracting expanding realization. This broadly illustrated ebook goals to aid the reader in integrating cardiac CT into day-by-day medical perform, whereas additionally reviewing its present technical prestige and functions. transparent assistance is equipped at the functionality and interpretation of imaging utilizing the newest know-how, which bargains larger insurance, larger spatial answer, and swifter imaging. the explicit good points of scanners from all 4 major owners, together with those who have just recently turn into to be had, are awarded. one of the wide variety of functions and concerns to be mentioned are coronary artery skip grafts, stents, plaques, and anomalies, cardiac valves, congenital and purchased middle illness, and radiation publicity. Upcoming scientific makes use of of cardiac CT, equivalent to plaque imaging and practical evaluate, also are explored.
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Additional resources for Cardiac CT
The anomalous origin or course of a coronary artery is less frequently encountered (<1%). The existence of separate origins for the LAD and LCX has already been discussed. The two most frequent other anomalies are an RCA with an anomalous origin from the LM or the left sinus of Valsalva, and an LCX with an anomalous origin from the RCA or the right sinus of Valsalva. 9). This inter-arterial course is also called “malignant course,” because these patients have a high risk for exercise-induced ischemia and sudden death.
At diastole, the caliber is generally normal. Because most of the flow through the coronary arteries occurs at diastole, myocardial bridging does not usually cause symptoms. Thus, myocardial bridging should not be considered an anomaly but a variant. However, incidental cases have been associated with ischemia (Chap. 18). The anomalous origin or course of a coronary artery is less frequently encountered (<1%). The existence of separate origins for the LAD and LCX has already been discussed. The two most frequent other anomalies are an RCA with an anomalous origin from the LM or the left sinus of Valsalva, and an LCX with an anomalous origin from the RCA or the right sinus of Valsalva.
31 Recommended Reading.................................... 31 Abstract Cardiac CT has emerged as a reliable diagnostic method for detecting significant coronary stenoses in selected patients. 1 CT as a Supplement to Other Noninvasive Imaging Tests Echocardiography is the most important and the first-line noninvasive imaging method in cardiology and intensive care medicine, supplemented in special clinical situations by magnetic resonance imaging (MRI). There are a number of reasons for the first-line use of echocardiography: It offers a noninvasive approach, without radiation exposure; it does not involve renal clearance of the contrast medium; it is available in intensive care units, emergency and operating rooms; and extensive education and training in this technique is offered in most countries.