What diagnostic test is most likely to be ordered to monitor a patient for seizure activity?

The most appropriate test to monitor a patient for seizure activity is an electroencephalogram (EEG). This test is specifically designed to record the electrical activity of the brain, which allows for the detection of abnormal brain wave patterns associated with seizures. During an EEG, electrodes are placed on the scalp to capture these electrical signals, providing valuable information about the frequency and type of seizures occurring.

CT scans, while useful in identifying structural abnormalities in the brain that could contribute to seizures, do not directly measure electrical activity. Therefore, they are not suitable for monitoring seizure frequency or characteristics. MRI is also a powerful imaging tool that provides detailed images of the brain, but it too does not provide real-time information about brain activity relevant to seizure monitoring. X-rays are primarily used to view bones and are not applicable in evaluating seizure activity.

Overall, the EEG is the definitive tool for assessing and monitoring seizure activity due to its specificity in detecting changes in brain electrical activity.