Final answer:
EGD is usually not performed on uncooperative clients due to the need for patient stillness during the procedure; sedation or alternative methods may be used instead.
Step-by-step explanation:
An Esophagogastroduodenoscopy (EGD), also known as an upper endoscopy, is generally not performed on uncooperative clients because the procedure requires the patient to be still. Sedation is typically used to ensure the comfort and cooperation of the patient. In cases where a patient is unable or unwilling to cooperate with the demands of an EGD, alternative diagnostic measures may be considered or the procedure may be performed under general anesthesia, with the risks and benefits thoroughly evaluated by the medical team.