By N. Ghista Dhanjoo, Eddie Yin-kwee Ng
For the 1st time, this valuable e-book exhibits how cardiac perfusion and pumping might be quantified and correlated. Self-contained and unified in presentation, the reasons within the compendium are particular sufficient to trap the reader s interest and entire adequate to supply the history fabric to discover extra into the topic. Mathematically rigorous and clinically orientated, the booklet is a big source for biomedical engineers, cardiologists, cardiac surgeons and clinicians. for college kids, it really is an incredible textbook for senior-level classes in cardiovascular engineering.
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Additional info for Cardiac perfusion and pumping engineering
The tracking of the cell node’s direction of motion for every moment (frame) of LV stretching enabled us to locate every region at the end of the diastole, and to assess the ∆H, correctly. ∆H was calculated as: ∆H = (H1 − H2 )/H1 × 100%, where H1 and H2 are the values of LV wall region thickness corresponding to the beginning and the end of diastole. 89%, which is less than normal (∼40%39 ). Figure 6 shows the distribution of ∆H in the LV wall for both IHD and the relatively normal heart. The distribution of regional ∆H to total LV wall elasticity seems fairly uniform as opposed to the pathologic LV, where it is not.
9. Dependence of mean LV elasticity (∆H) on FC of angina pectoris. June 6, 2007 6:8 WSPC/SPI-B421 Cardiac Perfusion and Pumping Engineering ch02 32 F. 2. 1. Deﬁnition of LV inhomogeneity To characterize the extent of LV inhomogeneity, regional thickness (H) was mapped at the end of diastole. Figure 10 illustrates the distribution of H in the LV wall for IHD-modiﬁed and relatively normal LV. Additionally, the values of 40 radii at a single LV cross section were analyzed. The cross section was chosen at the level of LV’s half long-axis, and the center of mass of this section was deﬁned.
Dependence of mean LV elasticity (∆H) on FC of angina pectoris. June 6, 2007 6:8 WSPC/SPI-B421 Cardiac Perfusion and Pumping Engineering ch02 32 F. 2. 1. Deﬁnition of LV inhomogeneity To characterize the extent of LV inhomogeneity, regional thickness (H) was mapped at the end of diastole. Figure 10 illustrates the distribution of H in the LV wall for IHD-modiﬁed and relatively normal LV. Additionally, the values of 40 radii at a single LV cross section were analyzed. The cross section was chosen at the level of LV’s half long-axis, and the center of mass of this section was deﬁned.