A heart monitor is an essential medical device that is used to measure and record the activities of the heart. To ensure proper diagnosis and treatment, it is important to be familiar with some synonyms for the word "heart monitor." One common alternative is a cardiac monitor, a device used to track the electrical activity of the heart. Other synonyms for "heart monitor" include electrocardiogram (ECG), a graphic representation of the heart's electrical activity, and electrocardiograph, the machine that produces ECGs. Holter monitor, event monitor, and telemetry monitor are also used to track heart activity for a variety of medical purposes. Knowing these synonyms can help individuals and medical professionals to communicate clearly and effectively about heart health.