Towards Quantification of the Cardiological Stress Exam
Fig. 1. Usual coverage of whole ventricles by short axis full cine stack (left) as oppose to the 3 short axis slices typically used in the stress exam (middle). The…
RESPIRATORY IMAGING
Motion Estimation Using Ultrafast Ultrasound Imaging Tested in a Finite Element Model of Cardiac Mechanics
Fig. 1. Schematic overview of the ultrasound simulation set-up: geometry of the cardiac model (upper left), spherical wave transmit using a virtual source (upper right), example of multiple spherical wave imaging…
Differences in Anatomical Remodelling of the Systemic Right Ventricle
MBT shunt RVPA shunt Stage I 30 20 Stage II 29 14 Stage III 32 3 Total 91 37 Age at Norwood 7.1 ± 6.7 days 5.3 ± 2.8 days Datasets were acquired at 2…
Comprehensive Framework for the Characterization of the Complete Mitral Valve Geometry for the Development of a Population-Averaged Model
(1) The parameters in Eq. (1) define the dimensions and regulate the shape of the superquadrics fit. For each valve, there are two surface meshes denoting the Atrial and Ventricular sides…
of Septal Motion Abnormalities in Left Bundle Branch Block Patients Using Computer Simulations
Fig. 1. Septal curvature measurements: (A) Points tracked in short-axis images for measurement of septal curvature: midpoints of septum (S) and LVFW (L), and anterior (J1) and inferior (J2) LV/RV junction…
Structural and Functional Differences Between Normal and Fibrotic Ventricles
Fig. 1. Reconstructed transmural views A. WKY tissue (left) and the collagen structure (right). Arrow indicates large vessel B. SHR tissue (left) and the collagen structure (right). Image volumes for A…
Rapid kV Switching Dual-Energy CT Imaging
Fig. 4.1 Schematics of rapid kV switching dual-energy CT (DECT) imaging (a) and single-energy CT (SECT) imaging (b) on a GE CT750 HD scanner. In a DECT scan, projections are…
Technical Aspects of Dual Energy CT with Dual Source CT Systems
Fig. 2.1 DSCT with two independent measurement systems. (a) First generation. The system angle between both measurement systems is 90°. (b) Second generation. To increase the SFOV of detector B,…
Myocardial Perfusion by Dual Energy CT
Fig. 12.1 DECT with Dual source (Siemens). Two x-ray tube detectors are placed in the same rotation gantry at an angular compensation of 90–94° (first and second generation) with one…
Dual Energy-Spectral CT in Neurovascular Imaging
Fig. 6.1 Dual energy CT with calculated MCE sagittal images of the cervical spine in a patient with prior C2-C5 anterior cervical fusion, corpectomy and cage placement. Hardware associated streak…
