320-detector row CT coronary angiography: effects of heart rate and heart rate variability on image quality, diagnostic accuracy and radiation exposure

To evaluate the effects of heart rate and heart rate variability on image quality, patient dose and diagnostic accuracy of 320-detector row CT. 94 patients were prospectively enrolled. Heart rate was defined as the mean value of different intervals elapsing between two consecutive R waves in an elec...

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Veröffentlicht in:	British journal of radiology 2012-08, Vol.85 (1016), p.e388-e394
Hauptverfasser:	Sun, G, Li, M, Jiang, X-S, Li, L, Peng, Z-H, Li, G-Y, Xu, L
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged Coronary Angiography - methods Coronary Angiography - standards Coronary Artery Disease - diagnostic imaging Dose-Response Relationship, Radiation Electrocardiography Female Heart Rate Humans Male Middle Aged Multidetector Computed Tomography - methods Multidetector Computed Tomography - standards Prospective Studies Radiation Dosage Sensitivity and Specificity
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