Final answer:
A PCT should remove the SCD at times when the patient needs to be mobile or before procedures that require its removal, and also periodically for routine skin assessments and hygiene.
Step-by-step explanation:
The subject of this question is Medicine, specifically the use of a Sequential Compression Device (SCD).
The patient care technician (PCT) should plan to remove the SCD before periods in which the patient needs to be mobile, such as for walking or physical therapy, and generally before any procedure where the device might interfere.
It is also important to remove the SCD at regular intervals for skin assessment, hygiene, and to ensure proper blood circulation without the compression.
The removal and reapplication schedules may vary based on the patient's condition, the healthcare facility's protocols, or the physician’s orders.