ARDMS (American Registry for Diagnostic Medical Sonography) Practice Test

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What affects the performance of ultrasound imaging on patients with a pacemaker?

  1. The volume of the machine

  2. Placement of the transducer

  3. The type of ultrasound gel used

  4. The patient's weight

The correct answer is: Placement of the transducer

The placement of the transducer is pivotal in determining the performance of ultrasound imaging on patients with a pacemaker. This is primarily due to the need to avoid placing the transducer directly over the pacemaker or its leads, as ultrasound can interfere with the functioning of the device. Proper transducer placement allows for optimal visualization of the surrounding anatomy while minimizing any potential interference with the pacemaker. In cases where the transducer is improperly positioned, there may be a significant reduction in the quality of the images due to reflections or signal distortion created by the pacemaker or its leads. Understanding how to maneuver around these devices is essential for obtaining clear and diagnostic images while ensuring patient safety.