Which method can primarily reduce patient dose during digital imaging?

The method that primarily reduces patient dose during digital imaging is high-speed systems. High-speed digital imaging systems are designed to be more sensitive to radiation, allowing for images to be captured with a lower amount of exposure. This increased sensitivity means that less radiation is required to produce diagnostic-quality images, directly contributing to a reduced dose for the patient.

Utilizing high-speed systems can enhance patient safety and comfort by minimizing their exposure to radiation. This is particularly important in medical settings, where reducing the risks associated with radiation is a key consideration. Additionally, high-speed systems can lead to improved workflow and efficiency in imaging departments, as they allow for quicker imaging processes without sacrificing image quality.

Other methods, such as increased kVp settings, might affect image contrast and density but do not directly target dose reduction in the same way high-speed systems do. Thicker phosphor layers could potentially improve image quality but may not contribute effectively to lowering patient doses. Longer exposure times are generally associated with increased patient dose due to prolonged radiation exposure. Thus, high-speed systems stand out as the most effective means of reducing patient dose in digital imaging.