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The PRESET control is the fundamental ultrasound setting that serves as the system's "start-up configuration." It automatically optimizes a wide array of parameters for a specific clinical application. Presets are specified by the manufacturer or defined by the user to provide a good starting set-up for each scan. For example, if you are performing a carotid study, you want to use the carotid preset. Using any other preset will likely result in significantly poorer imaging and may even be harmful.
Importance: Presets save significant time by placing parameters like depth, gain, and focal zones in the "right ballpark" before the scan begins. They are also vital for safety; specific presets for sensitive areas, such as the eye or a fetus, ensure the system adheres to the ALARA principle regarding energy exposure.
Adjustment: The operator selects a preset based on the specific exam type (e.g., Abdomen, OB, Cardiology).
Note: While presets are comprehensive, sonographers must often override them to manually optimize images for individual patient body types or pathologies.
Alwaysd start with the correct preset...then adjust your other controls to optimize the image for each patient. Start with the primary controls here.
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