Practice Test Geeks(Echocardiogram) Certified Echocardiogram Technician Practice Test
← All ECHOCARDIOGRAM Flashcard Decks

Programming Fundamentals Flashcards

7 cards from real ECHOCARDIOGRAM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Programming Fundamentals flashcards as text

  1. Which machine control adjusts the lateral resolution of a 2D echocardiographic image?

    Answer: Focus zone placement

    Placing the focus zone at the depth of interest narrows the ultrasound beam there, maximizing lateral resolution at that level.

  2. When using continuous-wave Doppler, what distinguishes it from pulsed-wave Doppler in terms of machine programming?

    Answer: CW simultaneously transmits and receives, eliminating range ambiguity but lacking depth discrimination

    CW Doppler uses separate transmitting and receiving elements operating simultaneously, allowing measurement of high velocities without aliasing but with no depth selectivity.

  3. A technician increases the wall filter setting during spectral Doppler. What is the expected result?

    Answer: Low-velocity, high-amplitude signals from walls are suppressed

    The wall filter (high-pass filter) removes slow-moving, high-amplitude clutter from cardiac walls and valves, cleaning up the spectral display.

  4. What is the purpose of the 'dynamic range' or 'compression' control on an echo machine?

    Answer: Controls the range of echo amplitudes displayed from weakest to strongest

    Dynamic range determines how many decibels of signal amplitude are mapped to the gray scale, affecting the contrast between strong and weak reflectors.

  5. To best visualize left atrial appendage thrombus with transesophageal echo, which imaging frequency should be selected?

    Answer: Higher frequency (5–7 MHz) for improved near-field resolution

    TEE probes at higher frequencies provide superior near-field resolution, critical for detecting small thrombi in the left atrial appendage.

  6. In color M-mode echocardiography, what machine combination is being used?

    Answer: M-mode cursor line with color Doppler flow information superimposed

    Color M-mode displays temporal flow information along a single scan line as a color map, useful for assessing propagation velocity.

  7. Which adjustment reduces the color Doppler sample region to improve frame rate during a color flow study?

    Answer: Narrowing the color box width and reducing depth

    A smaller, shallower color box requires fewer scan lines and shorter transit times, allowing the machine to produce more frames per second.