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Cholerny Spammer
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 Posted: Mon 16:53, 07 Mar 2011 Post subject: tory burch shoes Intravenous myocardial contrast e |
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Intravenous myocardial contrast echocardiography assisted integrated backscatter in normal and ischemic myocardial tissue characterization of the ...
IBS images within minutes. AD image analysis techniques and data statistics of interest are set to 4l × 41 位 pixel contrast echocardiography during playback,[link widoczny dla zalogowanych], location of myocardial ischemia, in the corresponding parts of the IBS image of interest to determine the relative area, left ventricular anterior wall were calculated (LAD blood supply area) and lateral wall (LCX blood supply area) cyclical changes in the value of integrated backscatter (Cyclicvariationofintegratedbackscatter,[link widoczny dla zalogowanych], CVIBS). Data using statistical software MicrosoftExcel5.0 paired t test line p 005; ischemic changes in the anterior wall of the acoustic peak density was 2.41 ± O. 98dB,[link widoczny dla zalogowanych], sidewall 10.84 ~ 2.34dB,[link widoczny dla zalogowanych], P <O. 001, LAD ligation after myocardial acoustic density was significantly lower than before ischemia, p <O. 0012. IBS: backscatter normal cardiac cycle of the cyclical changes in the value of CVIBS anterior to 6.69 ~ 0.72dB, normal left ventricular wall to wall axis of Figure 1A section ultrasound image} B by intravenous injection of ultrasound contrast agent < FX430) normal myocardial perfusion imaging after LAD occlusion on left ventricular short axis c image; D lLAD ischemic myocardial contrast imaging without contrast agent feeding area i | t86.54 ± 0.63dB; ischemic anterior wall myocardial CVIBS 3 .18 ± 0.41dB, lateral 6.59 ± 0.52dB, p <0.001; myocardial ischemia than before ischemia CVIBS decreased significantly. 3. IBS changes and ECG control study: 60 frames per movie playback by the image composition, calculated according to time the subject AD correspond to the location positioning data obtained for each data phase in which the cardiac cycle (Figure 2, Figure 3). Normal myocardial end diastolic IBS value in a peak contraction at the end to a minimum. Myocardial ischemia changes the = above disappear. Discuss the evaluation of intravenous myocardial contrast echocardiography in normal and ischemic myocardial perfusion method has been confirmed .3 dB, between the anterior and lateral wall was no significant difference. ischemic myocardium in the event of visible thinning and regional wall motion abnormalities before the performance of routine ultrasound imaging in the diagnosis difficult to make a difference, IBS ULTRASOUND Medical Journal 1998, Volume 14, No. 7, the positive image there is no visible change. However, the corresponding parts of the CVIBS more significant quantitative differences exist. Normal imaging of myocardial IBS there are regular changes in myocardial density, peak diastolic, systolic to the lowest point of the end of ischemia disappear when the law, and this change occurs prior to visible myocardial thinning, etc. The positive performance was found to record images of myocardial IBS is very simple, with a very short time, and the determination of a single-line record myocardial CVIBS site within a few minutes into the CD-ROM offline processing, 2 or 3 parts are less than 20 minutes. However, the result often depends on the two-dimensional image quality and reduce the depth, to enlarge the image, not only of convenience but also error is also smaller. Although the combination of ECG can approximately reflect the cardiac cycle variation of myocardial CVIBS, AD technical analysis of recorded ECG obtained two-dimensional ultrasound images can not be precise phase of myocardial IBS value. In addition, regions of interest must in the artificial heart under the control of the corresponding track position, and the heart's position in the cardiac cycle is changing, leaving to inevitable human error occurs, such as the total figure 2A normal myocardium and left ventricular short axis ECG IBs Qi Kang store. the right of the value of the data for some IBs} BCVIBS cyclical changes cardiac cycle curve: LAD and LCX blood hide changes of the blood supply curve of the same circle area 3A LAD occlusion on left ventricular short axis images IBS: electrocardiogram showed ST-lift high. the right value for the LCX area BCVIBS IBS curve: LAD blood supply area curve straight. LCX blood flow and ischemic zone before the curve is still similar to
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