What is recommended to separate the affected digit from other digits when performing a lateral digit radiograph?

Using tape is recommended to separate the affected digit from other digits when performing a lateral digit radiograph because it provides a firm and secure method to hold the digits in place without causing any additional movement. This stability is crucial for obtaining clear and accurate radiographic images, as any unintended motion can lead to blurring and misinterpretation of the results. Tape can easily be applied and adjusted to ensure that the affected digit maintains the correct positioning for optimal imaging.

Other options such as gauze, spacers, or cloth may not offer the same level of precision and stability as tape. While they can assist in providing some separation, they may not effectively immobilize the digits or hold them in the desired position during the imaging process. Thus, the use of tape stands out as the preferred choice for achieving the best radiographic results in this scenario.