An EKG technician detects a U wave, and the patient reports chest pain and discomfort. Which of the following is an appropriate action for the technician to take?
A) Disregard the U wave, as it is a normal finding
B) Document the U wave and report the patient's symptoms to a healthcare provider
C) Increase the EKG machine's sensitivity to capture the U wave more clearly
D) Inform the patient that U waves are harmless and require no action