Can an ECG be used to evaluate the function of artificial pacemakers?

An ECG can indeed be used to evaluate the function of artificial pacemakers because it provides critical information about the electrical activity of the heart. Pacemakers are designed to help regulate the heart's rhythm; thus, monitoring the heart's electrical impulses is essential to assess whether the pacemaker is functioning correctly.

During an ECG, specific features such as pacing spikes (which are indications of the pacemaker's impulses) can be observed. These spikes are seen before the heart's natural electrical activity begins, and the corresponding heartbeats that follow can be analyzed to understand if the pacing is effectively managing the heart's rhythm.

In addition, the ECG can help identify any potential issues, such as lead dislodgment or failure of the pacemaker, by showing deviations from expected patterns of heart activity. Therefore, using an ECG to evaluate pacemaker function is a standard practice in clinical settings to ensure proper device operation and assess the patient’s cardiac condition.