A cardiac monitor is a medical device used to continuously observe and record the electrical activity of the heart. It helps healthcare providers detect and diagnose various heart conditions, such as arrhythmias, myocardial infarctions, and other cardiac abnormalities. Here are the key components and features of a typical cardiac monitor:br br 1. **Electrodes and Leads**: Electrodes are attached to the patient's skin at specific locations and connected to leads that transmit electrical signals from the heart to the monitor.br br 2.