AC interference is indicated by upward and downward movement in an EKG tracing.
AC interference is indicated by an EKG tracing with upward and downward movement of the waveform. This type of artifact can be caused by external electrical sources interfering with the EKG recording, leading to fluctuations in the signal. It is important to identify and mitigate AC interference to ensure accurate EKG interpretation.
https://brainly.com/question/38937570