Exam (elaborations)
ARDMS Breast Registry Review Ch. 2
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- ARDMS Breast Registry Review Ch. 2
ARDMS Breast Registry Review Ch. 2
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ARDMS Breast Registry ReviewCh. 2
What frequency transducer is optimal for breast imaging? - -7.0-15.0 MHz is
optimal for superior axial and lateral resolution while maintaining penetration
to the chest wall. It should also be BROADBAND.
-Fixed elevation focusing represents.... - -Focusing along the short axis of
the transducer.
-What design of transducer is used in breast imaging? - -Linear array is
optimal
-The advantage of a rectangular image over a sector image is the avoidance
of what artifact? - -Beam divergence
-Interventional procedures are more accurately guided with a _______
__________ probe. - -Linear array
-When is a curved array transducer used in breast imaging? - -Pathology to
large to fit on linear image
-Most linear transducers in breast sonography are ______ arrays. - -1-D
-1-D arrays offer a fixed focus in the ________ plan (short axis) - -Elevation
-1.5-D matrix array transducers have multiple elements along the _____ axis
of the probe. - -Short
-1.5-D arrays offer some electronic focusing in the __________ plane. - -
Elevation
-2-D array transducers are not currently _________. - -available
-Imaging depth should penetrate the chest wall-- ___ to ___ cm should be
adequate - -3, 6
-An echo's brightness is controlled by ______ - -gain
-Know overall gain, TGC, and output power - -This is ultrasound elementary.
-If your image is too bright decrease the ______________. - -Output power
-If your image is too dark increase the ____________. - -Receiver gain
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