Final answer:
Patients must refrain from showering while wearing a Holter Monitor to prevent damage to the device and to ensure the accurate recording of the heart's electrical activity.
Step-by-step explanation:
An EKG technician should recognize that patients are restricted from showering while wearing a Holter Monitor. This is due to the fact that Holter monitors, which are used to continuously record the electrical activity of the heart, can be damaged by water and the adhesive that keeps the electrodes in place can become less effective when wet. Patients are usually able to perform most normal activities such as yoga, smoking, and sexual activity; however, they should keep the device dry and avoid any activities that can disrupt the accurate recording of their heart's electrical activity.