While performing an applicable view during a microbial contrast echo on a patient with suspected wall
motion abnormality in the basil interior latter left ventricle segment you notice significant swirling of the
contrast in the area of the Apex how can you adjust the controls to reduce this artif...
CCI ADULT ECHO CTL PHYSICS OF ULTRASOUND QUESTIONS WITH COMPLETE SOLUTIONS While performing an applicable vi ew during a microbial contrast echo on a patient with suspected wall motion abnormality in the basil interior latter left ventricle segment you notice significant swirling of the contrast in the area of the Apex how can you adjust the controls to reduce th is artificial squarely - ✔✔Decrease the mechanical index setting Aliasing will occur at the point when the Doppler shift - ✔✔Exceeds 1/2 PRF Which of the following describes the difference between silos and greeting loads - ✔✔Grading lobes are seen with arrays and side lobes are seen with single element probes Which of the following cardiac exam techniques provides the best spatial resolution of the cardiac structure - ✔✔transesophageal echo Which of the following would brighten the image without affect ing beam intensity - ✔✔Increase the amplitude of reflected sound The pulse repetition. And 2D imaging is determined by - ✔✔Imaging depth When scanning an obese patient you apply color Doppler to the mitral valve in the applical 4 chamber view when you ad just the placement of the Box there is a delay between your adjustment and the Box responding to the movement how can you correct this - ✔✔Activate the zoom function over the mitral valve When using Doppler and Brunelle equation to the evaluate the pressu re gradient at gradient at the tricupsite valve you are calculating the - ✔✔Peak instantaneous gradient All of the following correctly describes ACW Doppler evaluation except - ✔✔The angle of incident does not affect the velocity evaluation using CW and using CW Doppler because you are not evaluating the vessel at a specific depth Is is defined as specific area or location where Doppler shift information is being obtained - ✔✔Sample volume Which of the following ultrasound techniques uses the highest beam intensity - ✔✔PW Doppler Color flow Doppler demonstrates - ✔✔The average flow velocity of the blood an d the direction of the blood flow Which of the following adjustments will change the image data that will be stored in the memory of the ultrasound system - ✔✔Preprocessing Increases with increasing the overall game - ✔✔Brightness of the image Curved PE elements and the acoustic lenses will improve which 2 types of resolution - ✔✔Elevational and lateral Which of the following adjustments would improve the appearance of contrast on the echo image - ✔✔Decrease output power Which of the following statemen ts is true regarding the color flow evaluation of aortic stenosis - ✔✔A varance color map will demonstrate a green color and the erotic route just disto to the stinosis You switch from a 5 MHz curved probe to a 2.5 MHz sector probe to image deeper in the abdomen how in the abdomen how is the wavelength affected by the change to the new probe - ✔✔Doubles Which of the following ultrasound techniques has the highest temporal resolution - ✔✔M mode
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