What does B-mode imaging generate?

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Prepare for the Ultrasound Physics Test. Access flashcards and multiple-choice questions, each with hints and explanations. Get set for your exam day!

Multiple Choice

What does B-mode imaging generate?

Explanation:
B-mode imaging produces a grayscale map of how strongly tissues reflect ultrasound as a function of depth. A pulse is sent into the body and echoes return; the time of flight determines depth, and the echo strength is converted into brightness. When many scan lines are combined side by side, you get a 2D image with depth on one axis and lateral position on the other, shown in grayscale. This is different from depth-versus-time displays (A-mode) or color-coded flow maps (Doppler).

B-mode imaging produces a grayscale map of how strongly tissues reflect ultrasound as a function of depth. A pulse is sent into the body and echoes return; the time of flight determines depth, and the echo strength is converted into brightness. When many scan lines are combined side by side, you get a 2D image with depth on one axis and lateral position on the other, shown in grayscale. This is different from depth-versus-time displays (A-mode) or color-coded flow maps (Doppler).

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