A Three Pra Monitor is a medical device used to measure the electrical activity of the heart and display it graphically as an ECG waveform. These are compact and portable, making them suitable for use in ambulatory care, clinics, emergency departments, and other healthcare settings where mobility and flexibility are important. Its portability, real-time monitoring capabilities, and user-friendly design make it an essential device for healthcare providers involved in cardiac care and patient monitoring. The user interface is designed for healthcare professionals of all levels of experience to operate the monitor effectively. Three Pra Monitor is a valuable tool for monitoring cardiac function and assessing the electrical activity of the heart in various clinical settings.